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NCERT Solutions for Class 10 Maths Chapter 6 Triangles

NCERT Solutions for Class 10 Maths Chapter 6 Triangles

Edited By Komal Miglani | Updated on Mar 31, 2025 07:12 PM IST | #CBSE Class 10th

We see some clothes hangers, sandwiches, traffic signboards, etc. Do you know which shape they represent? All these things are triangular. Let’s try to find out what a triangle is. Triangles are fundamental geometric 2-D shapes characterized by three sides, three angles, and a sum of 180 degrees for their interior angles. It is the polygon with the least number of sides. The sum of the lengths of the two sides of a triangle is greater than the length of the third side. In the same way, the difference between the two sides of a triangle is less than the length of the third side.

This Story also Contains
  1. NCERT Solutions for Class 10 Maths Chapter 6 Triangles PDF Free Download
  2. NCERT Class 10 triangle solution- Important Notes
  3. NCERT Solutions for Class 10 Maths Chapter 6 Triangles (Exercise)
  4. NCERT Solutions Of Class 10 - Subject Wise
  5. NCERT Books and NCERT Syllabus
  6. NCERT Exemplar Solutions - Subject Wise
NCERT Solutions for Class 10 Maths Chapter 6 Triangles
NCERT Solutions for Class 10 Maths Chapter 6 Triangles

This article on NCERT Solutions for Class 10 Maths Chapter 6 Triangles provides clear and step-by-step solutions for exercise problems in the NCERT Class 10 Maths Book. These solutions for class 10 maths chapter 6 Triangles are designed by Subject Matter Experts according to the latest CBSE syllabus, ensuring that students grasp the concepts effectively.

NCERT Solutions for Class 10 Maths Chapter 6 Triangles PDF Free Download

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NCERT Class 10 triangle solution- Important Notes

Types of Triangles:

Based on the sides, we have 3 triangles:

  • Equilateral Triangles: Triangles that have all 3 sides equal also all the interior angles equal then it is known as equilateral triangles.
  • Isosceles Triangle: Triangles that have only two sides equal in length also have angles opposite to the equal side that are equal. It is known as the Isosceles Triangle.
  • Scalene Triangle: Triangles that don’t have any equal sides or angles are called scalene triangles.
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JEE Main Important Mathematics Formulas

As per latest 2024 syllabus. Maths formulas, equations, & theorems of class 11 & 12th chapters

Based on the measurement of the angle, we have 3 triangles:

  • Acute Angle Triangle: Triangles that have all the angles measuring less than 90 degrees is called the Acute Angle Triangle.
  • Right Angle Triangle: Triangles that have one angle measuring 90 degrees are called Right Angled Triangles.
  • Obtuse Angle Triangle: Triangles that have one angle measuring more than 90 degrees and other angles less than 90 degrees are called Obtuse Angle Triangles.
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Similarity Of Triangle:

Two triangles are similar if they have the same ratio of corresponding sides and an equal pair of corresponding angles.

Criteria for Triangle Similarity:

  • Angle-Angle-Angle (AAA) Similarity: If the three angles of one triangle are equal to the three angles of another triangle, the triangles are similar.
  • Side-Angle-Side (SAS) Similarity: If one angle of a triangle is equal to one angle of another triangle and the two sides including these angles are in the same ratio, then the triangles are similar.
  • Side-Side-Side (SSS) Similarity: If the corresponding sides of two triangles are in the same ratio, then the triangles are similar.
  • Right Angle-Hypotenuse-Side(RHS) Similarity: If in two right-angled triangles, the hypotenuse and one corresponding side are in the same ratio, then the two triangles are similar.

Important Theorem's

Theorem 6.1: If a line is drawn parallel to one side of a triangle and it cuts the other two sides at different points, it divides those two sides in the same ratio.

Theorem 6.2: If a line divides two sides of a triangle in the same ratio, then the line is parallel to the third side of the triangle.

Theorem 6.3: If two triangles have their corresponding angles equal, then their corresponding sides are in the same ratio, which means the two triangles are similar.

Theorem 6.4: If the sides of one triangle are in the same ratio as the sides of another triangle, then their corresponding angles are also equal, making the two triangles similar.

Theorem 6.5: If one angle of a triangle is equal to one angle of another triangle and the sides around these angles are in the same ratio, then the two triangles are similar.

NCERT Solutions for Class 10 Maths Chapter 6 Triangles (Exercise)

Maths Chapter 6 Triangles class 10 Exercise: 6.1

Q1 (1) Fill in the blanks using the correct word given in brackets: All circles are ______ . (congruent, similar)

Answer:

All circles are similar.

Since all the circles have a similar shape. They may have different radii, but the shape of all circles is the same.

Therefore, all circles are similar.

Q1 (2) Fill in the blanks using the correct word given in brackets: All squares are ______. (similar, congruent)

Answer:

All squares are similar.

Since all the squares have a similar shape. They may have a different side, but the shape of all squares is the same.

Therefore, all squares are similar.

Q1 (3) Fill in the blanks using the correct word given in brackets: All ______triangles are similar. (isosceles, equilateral)

Answer:

All equilateral triangles are similar.

Since all the equilateral triangles have a similar shape. They may have different sides, but the shape of all equilateral triangles is the same.

Therefore, all equilateral triangles are similar.

Q1 (4) Fill in the blanks using the correct word given in brackets : (iv) Two polygons of the same number of sides are similar if(a) there corresponding angles are _________and (b) their corresponding sides are________. (equal, proportional)

Answer:

Two polygons of the same number of sides are similar if their corresponding angles are equal and their corresponding sides are proportional.

Thus, (a) equal

(b) proportional

Q2 (1) Give two different examples of a pair of similar figures.

Answer:

The two different examples of a pair of similar figures are :

1. Two circles with different radii.

2. Two rectangles with different breadth and length.

Q2 (2) Give two different examples of a pair of non-similar figures.

Answer:

The two different examples of a pair of non-similar figures are :

1. Rectangle and circle

2. A circle and a triangle.

Q3 State whether the following quadrilaterals are similar or not:

Answer:

Quadrilateral PQRS and ABCD are not similar as their corresponding sides are proportional, i.e. 1:2, but their corresponding angles are not equal.

Class 10 Maths Chapter 6 Triangles Exercise: 6.2

Q1 In Fig. 6.17, (i) and (ii), DE || BC. Find EC in (i) and AD in (ii).

Answer:

(i)

Let EC be x

Given: DE || BC

By using the proportionality theorem, we get

ADDB=AEEC

1.53=1x

x=31.5=2cm

EC=2cm

(ii)

Let AD be x

Given: DE || BC

By using the proportionality theorem, we get

ADDB=AEEC

x7.2=1.85.4

x=7.23=2.4cm

AD=2.4cm

Q2 (1) E and F are points on the sides PQ and PR respectively of a PQR. For each of the following cases, state whether EF || QR: PE = 3.9 cm, EQ = 3 cm, PF = 3.6 cm and FR = 2.4 cm

Answer:

(i)

Given :

PE = 3.9 cm, EQ = 3 cm, PF = 3.6 cm and FR = 2.4 cm

PEEQ=3.93=1.3cm and PFFR=3.62.4=1.5cm

We have

PEEQPFFR

Hence, EF is not parallel to QR.

Q2 (2) E and F are points on the sides PQ and PR, respectively, of a triangle PQR. For each of the following cases, state whether EF || QR : PE = 4 cm, QE = 4.5 cm, PF = 8 cm and RF = 9 cm

Answer:

(ii)

Given :

PE = 4 cm, QE = 4.5 cm, PF = 8 cm and RF = 9 cm

PEEQ=44.5=89cm and PFFR=89cm

We have

PEEQ=PFFR

Hence, EF is parallel to QR.

Q2 (3) E and F are points on the sides PQ and PR, respectively, of a triangle PQR. For each of the following cases, state whether EF || QR : PQ = 1.28 cm, PR = 2.56 cm, PE = 0.18 cm and PF = 0.36 cm

Answer:

(iii)

Given :

PQ = 1.28 cm, PR = 2.56 cm, PE = 0.18 cm and PF = 0.36 cm

PEPQ=0.181.28=964cm and PFPR=0.362.56=964cm

We have

PEEQ=PFFR

Hence, EF is parallel to QR.

Q3 In Fig. 6.18, if LM || CB and LN || CD, prove that AMAB=ANAD

Answer:

Given : LM || CB and LN || CD

To prove :

AMAB=ANAD

Since , LM || CB so we have

AMAB=ALAC.............................................1

Also, LN || CD

ALAC=ANAD.............................................2

From equations 1 and 2, we have

AMAB=ANAD

Hence proved.

Q4 In Fig. 6.19, DE || AC and DF || AE. Prove that BF / FE = BE / EC

Answer:

Given: DE || AC and DF || AE.

To prove :

BFFE=BEEC

Since , DE || AC so we have

BDDA=BEEC.............................................1

Also, DF || AE

BDDA=BFFE.............................................2

From equations 1 and 2, we have

BFFE=BEEC

Hence proved.

Q5 In Fig. 6.20, DE || OQ and DF || OR. Show that EF || QR.

Answer:

Given: DE || OQ and DF || OR.

To prove EF || QR.

Since DE || OQ so we have

PEEQ=PDDO.............................................1

Also, DF || OR

PFFR=PDDO.............................................2

From equations 1 and 2, we have

PEEQ=PFFR

Thus, EF || QR. (converse of basic proportionality theorem)

Hence proved.

Q6 In Fig. 6.21, A, B, and C are points on OP, OQ and OR respectively such that AB || PQ and AC || PR. Show that BC || QR.

Answer:

Given : AB || PQ and AC || PR

To prove: BC || QR

Since, AB || PQ so we have

OAAP=OBBQ.............................................1

Also, AC || PR

OAAP=OCCR.............................................2

From equations 1 and 2, we have

OBBQ=OCCR

Therefore, BC || QR. (converse basic proportionality theorem)

Hence proved.

Q7 Using Theorem 6.1, prove that a line drawn through the mid-point of one side of a triangle parallel to another side bisects the third side. (Recall that you have proved it in Class IX.)

Answer:

Let PQ be a line passing through the midpoint of line AB and parallel to line BC, intersecting line AC at point Q.

i.e. PQ||BC and AP=PB .

Using the basic proportionality theorem, we have

APPB=AQQC..........................1

Since AP=PB

AQQC=11

AQ=QC

Q is the midpoint of AC.

Q8 Using Theorem 6.2, prove that the line joining the midpoints of any two sides of a triangle is parallel to the third side. (Recall that you have done it in Class IX.)

Answer:

Let P be the midpoint of line AB and Q be the midpoint of line AC.

PQ is the line joining midpoints P and Q of lines AB and AC, respectively.

i.e. AQ=QC and AP=PB .

we have,

APPB=11..........................1

AQQC=11...................................2

From equations 1 and 2, we get

AQQC=APPB

By basic proportionality theorem, we have PQ||BC

Q9 ABCD is a trapezium in which AB || DC and its diagonals intersect each other at the point O. Show
that AOBO=CODO

Answer:

Draw a line EF passing through point O such that EO||CDandFO||CD

To prove :

AOBO=CODO

In ADC , we have CD||EO

So, by using the basic proportionality theorem,

AEED=AOOC........................................1

In ABD , we have AB||EO

So, by using the basic proportionality theorem,

DEEA=ODBO........................................2

Using equations 1 and 2, we get

AOOC=BOOD

AOBO=CODO

Hence proved.

Q10 The diagonals of a quadrilateral ABCD intersect each other at point O such that AOBO=CODO. Show that ABCD is a trapezium.

Answer:

Draw a line EF passing through point O such that EO||AB

Given :

AOBO=CODO

In ABD , we have AB||EO

So, by using the basic proportionality theorem,

AEED=BODO........................................1

However, it is given that

AOCO=BODO..............................2

Using equations 1 and 2, we get

AEED=AOCO

EO||CD (By basic proportionality theorem)

AB||EO||CD

AB||CD

Therefore, ABCD is a trapezium.

Class 10 Maths Chapter 6 Triangles Exercise: 6.3

Q1 State which pairs of triangles in Fig. 6.34 are similar. Write the similarity criterion used by you for answering the question, and also write the pairs of similar triangles in the symbolic form :

Answer:

(i) A=P=60

B=Q=80

C=R=40

ABCPQR (By AAA)

So , ABQR=BCRP=CAPQ

(ii) As corresponding sides of both triangles are proportional.

ABCPQR (By SSS)

(iii) Given triangles are not similar because corresponding sides are not proportional.

(iv) MNLPQR by SAS similarity criteria.

(v) Given triangles are not similar because the corresponding angle is not contained by two corresponding sides

(vi) In DEF , we know that

D+E+F=180

70+80+F=180

150+F=180

F=180150=30

In PQR , we know that

P+Q+R=180

30+80+R=180

110+R=180

R=180110=70

Q=P=70

E=Q=80

F=R=30

DEFPQR ( By AAA)

Q2 In Fig. 6.35, ΔODCΔOBA , BOC=125 and CDO=70 . Find DOC,DCO,OAB

Answer:

Given : ΔODCΔOBA , BOC=125 and CDO=70

DOC+BOC=180 (DOB is a straight line)

DOC+125=180

DOC=180125

DOC=55

In ΔODC,

DOC+ODC+DCO=180

55+70+DCO=180

DCO+125=180

DCO=180125

DCO=55

Since, ΔODCΔOBA, so

OAB=DCO=55 (Corresponding angles are equal in similar triangles).

Q3 Diagonals AC and BD of a trapezium ABCD with AB || DC intersect each other at the point O. Using a similarity criterion for two triangles, show that OAOC=OBOD

Answer:

In DOCandBOA , we have

CDO=ABO ( Alternate interior angles as AB||CD )

DCO=BAO ( Alternate interior angles as AB||CD )

DOC=BOA ( Vertically opposite angles are equal)

DOCBOA ( By AAA)

DOBO=OCOA ( corresponding sides are equal)

OAOC=OBOD

Hence proved.

Q4 In Fig. 6.36, QRQS=QTPR and 1=2 . Show that ΔPQSΔTQR

Answer:

Given : QRQS=QTPR and 1=2

To prove : ΔPQSΔTQR

In PQR , PQR=PRQ

PQ=PR

QRQS=QTPR (Given)

QRQS=QTPQ

In ΔPQSandΔTQR,

QRQS=QTPQ

Q=Q (Common)

ΔPQSΔTQR (By SAS)

Q5 S and T are points on sides PR and QR of Δ PQR such that P = RTS. Show that Δ RPQ ~ Δ RTS.

Answer:

Given : P = RTS

To prove RPQ ~ Δ RTS.

In Δ RPQ and Δ RTS,

P = RTS (Given)

R = R (common)

Δ RPQ ~ Δ RTS. (By AA)

Q6 In Fig. 6.37, if Δ ABE Δ ACD, show that Δ ADE ~ Δ ABC.

Answer:

Given: ABEACD

To prove ADE ~ Δ ABC.

Since ABEACD

AB=AC (By CPCT)

AD=AE (By CPCT)

In Δ ADE and Δ ABC,

A=A (Common)

and

ADAB=AEAC ( AB=AC and AD=AE )

Therefore, Δ ADE ~ Δ ABC. ( By SAS criteria)

Q7 (1) In Fig. 6.38, altitudes AD and CE of ΔABC intersect each other at the point P. Show that: ΔAEPΔCDP

Answer:

To prove : ΔAEPΔCDP

In ΔAEPandΔCDP ,

AEP=CDP ( Both angles are right angle)

APE=CPD (Vertically opposite angles )

ΔAEPΔCDP ( By AA criterion)

Q7 (2) In Fig. 6.38, altitudes AD and CE of ΔABC intersect each other at the point P. Show that: ΔABDΔCBE

Answer:

To prove : ΔABDΔCBE

In ΔABDandΔCBE ,

ADB=CEB ( Both angles are right angle)

ABD=CBE (Common )

ΔABDΔCBE ( By AA criterion)

Q7 (3) In Fig. 6.38, altitudes AD and CE of ΔABC intersect each other at the point P. Show that: ΔAEPΔADB

Answer:

To prove : ΔAEPΔADB

In ΔAEPandΔADB ,

AEP=ADB ( Both angles are right angle)

A=A (Common )

ΔAEPΔADB ( By AA criterion)

Q7 (4) In Fig. 6.38, altitudes AD and CE of ΔABC intersect each other at the point P. Show that: ΔPDCΔBEC

Answer:

To prove : ΔPDCΔBEC

In ΔPDCandΔBEC ,

CDP=CEB ( Both angles are right angle)

C=C (Common )

ΔPDCΔBEC ( By AA criterion)

Q8 E is a point on the side AD produced of a parallelogram ABCD, and BE intersects CD at F. Show that ΔABEΔCFB.

Answer:

To prove : ΔABEΔCFB

In ΔABEandΔCFB ,

A=C ( Opposite angles of a parallelogram are equal)

AEB=CBF ( Alternate angles of AE||BC)

ΔABEΔCFB ( By AA criterion )

Q9 (1) In Fig. 6.39, ABC and AMP are two right triangles, right-angled at B and M, respectively. Prove that: ΔABCΔAMP

Answer:

To prove : ΔABCΔAMP

In ΔABCandΔAMP ,

ABC=AMP ( Each 90 )

A=A ( common)

ΔABCΔAMP ( By AA criterion )

Q9 In Fig. 6.39, ABC and AMP are two right triangles, right-angled at B and M, respectively. Prove that CAPA=BCMP

Answer:

To prove :

CAPA=BCMP

In ΔABCandΔAMP ,

ABC=AMP ( Each 90 )

A=A ( common)

ΔABCΔAMP ( By AA criterion )

CAPA=BCMP ( corresponding parts of similar triangles )

Hence proved.

Q10 (1) CD and GH are respectively the bisectors of ACB and EGF such that D and H lie on sides AB and FE of ΔABCandΔEGF respectively. If ΔABCΔEGF , show that: CDGH=ACFG

Answer:

To prove :

CDGH=ACFG

Given : ΔABCΔEGF

A=F,B=EandACB=FGE,ACB=FGE

ACD=FGH ( CD and GH are bisectors of equal angles)

DCB=HGE ( CD and GH are bisectors of equal angles)

In ΔACDandΔFGH

ACD=FGH ( proved above)

A=F ( proved above)

ΔACDΔFGH ( By AA criterion)

CDGH=ACFG

Hence proved.

Q 10 (2) CD and GH are respectively the bisectors of ABCandEGF such that D and H lie on sides AB and FE of ΔABCandΔEGF respectively. If ΔABCΔEGF , show that: ΔDCBΔHGE

Answer:

To prove : ΔDCBΔHGE

Given : ΔABCΔEGF

In ΔDCBandΔHGE ,

DCB=HGE ( CD and GH are bisectors of equal angles)

B=E ( ΔABCΔEGF )

ΔDCBΔHGE ( By AA criterion )

Q10 (3) CD and GH are respectively the bisectors of ABCandEGF such that D and H lie on sides AB and FE of ΔABCandΔEGF respectively. If ΔABCΔEGF , show that: ΔDCAΔHGF

Answer:

To prove : ΔDCAΔHGF

Given : ΔABCΔEGF

In ΔDCAandΔHGF ,

ACD=FGH ( CD and GH are bisectors of equal angles)

A=F ( ΔABCΔEGF )

ΔDCAΔHGF ( By AA criterion )

Q11 In Fig. 6.40, E is a point on side CB produced of an isosceles triangle ABC with AB = AC. If ADBC and EFAC , prove that ΔABDΔECF

Answer:

To prove : ΔABDΔECF

Given: ABC is an isosceles triangle.

AB=ACandB=C

In ΔABDandΔECF ,

ABD=ECF ( ABD=B=C=ECF )

ADB=EFC ( Each 90 )

ΔABDΔECF ( By AA criterion)

Q12 Sides AB and BC and median AD of a triangle ABC are respectively proportional to sides PQ and QR and median PM of ΔPQR (see Fig. 6.41). Show that ΔABCΔPQR

Answer:

AD and PM are medians of triangles. So,

BD=BC2andQM=QR2

Given :

ABPQ=BCQR=ADPM

ABPQ=12BC12QR=ADPM

ABPQ=BDQM=ADPM

In ABDandPQM,

ABPQ=BDQM=ADPM

ABDPQM, (SSS similarity)

ABD=PQM ( Corresponding angles of similar triangles )

In ABCandPQR,

ABD=PQM (proved above)

ABPQ=BCQR

Therefore, ΔABCΔPQR . ( SAS similarity)

Q13 D is a point on the side BC of a triangle ABC such that ADC=BAC. Show that CA2=CB.CD.

Answer:

In, ADCandBAC,

ADC=BAC ( given )

ACD=BCA (common )

ADCBAC, ( By AA rule)

CACB=CDCA ( corresponding sides of similar triangles )

CA2=CB×CD

Q14 Sides AB and AC and median AD of a triangle ABC are respectively proportional to sides PQ and PR and median PM of another triangle PQR. Show that ΔABCΔPQR

Answer:

ABPQ=ACPR=ADPM (given)

Produce AD and PM to E and L such that AD=DE and PM=DE. Now,

join B to E, C to E, Q to L and R to L.

AD and PM are medians of a triangle; therefore

QM=MR and BD=DC

AD = DE (By construction)

PM=ML (By construction)

So, diagonals of ABEC bisecting each other at D, so ABEC is a parallelogram.

Similarly, PQLR is also a parallelogram.

Therefore, AC=BE ,AB=EC and PR=QL,PQ=LR

ABPQ=ACPR=ADPM (Given )

ABPQ=BEQL=2.AD2.PM

ABPQ=BEQL=AEPL

ΔABEΔPQL (SSS similarity)

BAE=QPL ...................1 (Corresponding angles of similar triangles)

Similarity, AEC=PLR

CAE=RPL ........................2

Adding equations 1 and 2,

BAE+CAE=QPL+RPL

CAB=RPQ ............................3

In ABCandPQR,

ABPQ=ACPR ( Given )

CAB=RPQ ( From above equation 3)

ABCPQR ( SAS similarity)

Q15 A vertical pole of length 6 m casts a shadow 4 m long on the ground, and at the same time, a tower casts a shadow 28 m long. Find the height of the tower.

Answer:

CD = pole

AB = tower

Shadow of pole = DF

Shadow of tower = BE

In ABEandCDF,

CDF=ABE ( Each 90 )

DCF=BAE (Angle of sun at same place )

ABECDF, (AA similarity)

ABCD=BEQL

AB6=284

AB=42 cm

Hence, the height of the tower is 42 cm.

Q16 If AD and PM are medians of triangles ABC and PQR, respectively, where ΔABCΔPQR, prove that ABPQ=ADPM

Answer:

ΔABCΔPQR ( Given )

ABPQ=ACPR=BCQR ............... ....1( corresponding sides of similar triangles )

A=P,B=Q,C=R ....................................2

AD and PM are medians of a triangle. So,

BD=BC2andQM=QR2 ..........................................3

From equations 1 and 3, we have

ABPQ=BDQM ...................................................................4

In ABDandPQM,

B=Q (From equation 2)

ABPQ=BDQM (From equation 4)

ABDPQM, (SAS similarity)

ABPQ=BDQM=ADPM

Importance of solving 10th Class Maths Triangles NCERT Questions

  • Class 10 Maths Chapter 6 NCERT solutions are solved by subject-matter experts and are very reliable at the same time. The solutions provide shortcuts as well as detailed explanations with the necessary formulae that will help students understand the answers better.
  • These solutions will help students manage their time efficiently in this chapter and understand which questions are easier to approach and which are time-consuming. This will be helpful during the exam.
  • NCERT solutions for class 10 maths chapter 6 Triangle is designed to give the students step-by-step solutions for a particular question.

Triangles Class 10 Solutions - Exercise Wise

Here are the exercise-wise links for NCERT class 10, Chapter 6 Polynomial:

NCERT Solutions Of Class 10 - Subject Wise

For subject-wise solutions, Students can refer to the following links.

NCERT Books and NCERT Syllabus

To refer to the syllabus and books, students can click on the following links.

NCERT Exemplar Solutions - Subject Wise

Given below are the subject-wise exemplar solutions of class 10 NCERT:


Frequently Asked Questions (FAQs)

1. What are the important topics covered in NCERT Class 10 Maths Chapter 6?

NCERT Class 10 Maths Chapter 6, "Triangles," focuses on the similarity of triangles, including criteria for similarity (AA, SSS, SAS), and theorems like the Basic Proportionality Theorem and Pythagoras Theorem.

2. How to prove the Pythagoras theorem using similarity of triangles?

To prove the Pythagorean theorem (a2+b2=c2) using similar triangles, we can draw an altitude from the right angle to the hypotenuse, creating two smaller triangles that are similar to each other and the original triangle, then use the proportional sides of similar triangles to derive the theorem.

3. What is the Basic Proportionality Theorem (Thales Theorem) in Class 10?

Thales's Theorem or Basic Proportionality Theorem (BPT) states that if a line is drawn parallel to one side of a triangle intersecting the other two sides in distinct points, then the other two sides are divided in the same ratio.

4. What are the real-life applications of similarity of triangles?

Similar triangles have various real-life applications, including measuring inaccessible heights or distances, understanding how zoom works on cameras, and in fields like cartography, engineering, and construction.

5. What is the difference between congruence and similarity of triangles?

Congruent triangles are identical in both shape and size, while similar triangles have the same shape but can differ in size, with corresponding sides being proportional. These concepts are discussed in class 10 maths chapter 6 solutions, practice these to command the concepts.

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Questions related to CBSE Class 10th

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Since you are a domicile of Karnataka and have studied under the Karnataka State Board for 11th and 12th , you are eligible for Karnataka State Quota for admission to various colleges in the state.

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2. Minority Income under 5 Lakh : If you are from a minority community and your family's income is below 5 lakh, you may be eligible for fee concessions or other benefits depending on the specific institution. Some colleges offer reservations or other advantages for students in this category.

3. Counseling and Seat Allocation:

After the KCET exam, you will need to participate in online counseling.

You need to select your preferred colleges and courses.

Seat allocation will be based on your rank , the availability of seats in your chosen colleges and your preferences.

4. Required Documents :

Domicile Certificate (proof that you are a resident of Karnataka).

Income Certificate (for minority category benefits).

Marksheets (11th and 12th from the Karnataka State Board).

KCET Admit Card and Scorecard.

This process will allow you to secure a seat based on your KCET performance and your category .

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Hello Aspirant,  Hope your doing great,  your question was incomplete and regarding  what exam your asking.

Yes, scoring above 80% in ICSE Class 10 exams typically meets the requirements to get into the Commerce stream in Class 11th under the CBSE board . Admission criteria can vary between schools, so it is advisable to check the specific requirements of the intended CBSE school. Generally, a good academic record with a score above 80% in ICSE 10th result is considered strong for such transitions.

hello Zaid,

Yes, you can apply for 12th grade as a private candidate .You will need to follow the registration process and fulfill the eligibility criteria set by CBSE for private candidates.If you haven't given the 11th grade exam ,you would be able to appear for the 12th exam directly without having passed 11th grade. you will need to give certain tests in the school you are getting addmission to prove your eligibilty.

best of luck!

According to cbse norms candidates who have completed class 10th, class 11th, have a gap year or have failed class 12th can appear for admission in 12th class.for admission in cbse board you need to clear your 11th class first and you must have studied from CBSE board or any other recognized and equivalent board/school.

You are not eligible for cbse board but you can still do 12th from nios which allow candidates to take admission in 12th class as a private student without completing 11th.

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A block of mass 0.50 kg is moving with a speed of 2.00 ms-1 on a smooth surface. It strikes another mass of 1.00 kg and then they move together as a single body. The energy loss during the collision is

Option 1)

0.34\; J

Option 2)

0.16\; J

Option 3)

1.00\; J

Option 4)

0.67\; J

A person trying to lose weight by burning fat lifts a mass of 10 kg upto a height of 1 m 1000 times.  Assume that the potential energy lost each time he lowers the mass is dissipated.  How much fat will he use up considering the work done only when the weight is lifted up ?  Fat supplies 3.8×107 J of energy per kg which is converted to mechanical energy with a 20% efficiency rate.  Take g = 9.8 ms−2 :

Option 1)

2.45×10−3 kg

Option 2)

 6.45×10−3 kg

Option 3)

 9.89×10−3 kg

Option 4)

12.89×10−3 kg

 

An athlete in the olympic games covers a distance of 100 m in 10 s. His kinetic energy can be estimated to be in the range

Option 1)

2,000 \; J - 5,000\; J

Option 2)

200 \, \, J - 500 \, \, J

Option 3)

2\times 10^{5}J-3\times 10^{5}J

Option 4)

20,000 \, \, J - 50,000 \, \, J

A particle is projected at 600   to the horizontal with a kinetic energy K. The kinetic energy at the highest point

Option 1)

K/2\,

Option 2)

\; K\;

Option 3)

zero\;

Option 4)

K/4

In the reaction,

2Al_{(s)}+6HCL_{(aq)}\rightarrow 2Al^{3+}\, _{(aq)}+6Cl^{-}\, _{(aq)}+3H_{2(g)}

Option 1)

11.2\, L\, H_{2(g)}  at STP  is produced for every mole HCL_{(aq)}  consumed

Option 2)

6L\, HCl_{(aq)}  is consumed for ever 3L\, H_{2(g)}      produced

Option 3)

33.6 L\, H_{2(g)} is produced regardless of temperature and pressure for every mole Al that reacts

Option 4)

67.2\, L\, H_{2(g)} at STP is produced for every mole Al that reacts .

How many moles of magnesium phosphate, Mg_{3}(PO_{4})_{2} will contain 0.25 mole of oxygen atoms?

Option 1)

0.02

Option 2)

3.125 × 10-2

Option 3)

1.25 × 10-2

Option 4)

2.5 × 10-2

If we consider that 1/6, in place of 1/12, mass of carbon atom is taken to be the relative atomic mass unit, the mass of one mole of a substance will

Option 1)

decrease twice

Option 2)

increase two fold

Option 3)

remain unchanged

Option 4)

be a function of the molecular mass of the substance.

With increase of temperature, which of these changes?

Option 1)

Molality

Option 2)

Weight fraction of solute

Option 3)

Fraction of solute present in water

Option 4)

Mole fraction.

Number of atoms in 558.5 gram Fe (at. wt.of Fe = 55.85 g mol-1) is

Option 1)

twice that in 60 g carbon

Option 2)

6.023 × 1022

Option 3)

half that in 8 g He

Option 4)

558.5 × 6.023 × 1023

A pulley of radius 2 m is rotated about its axis by a force F = (20t - 5t2) newton (where t is measured in seconds) applied tangentially. If the moment of inertia of the pulley about its axis of rotation is 10 kg m2 , the number of rotations made by the pulley before its direction of motion if reversed, is

Option 1)

less than 3

Option 2)

more than 3 but less than 6

Option 3)

more than 6 but less than 9

Option 4)

more than 9

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