• School
  • Engineering and Architecture
  • Management and Business Administration
  • Medicine and Allied Sciences
  • Law
  • Animation and Design
  • Media, Mass Communication and Journalism
  • Finance & Accounts
  • Computer Application and IT
  • Pharmacy
  • Hospitality and Tourism
  • Competition
  • Study Abroad
  • Arts, Commerce & Sciences
  • Learn
  • Online Courses and Certifications
NCERT Class 9 Maths Chapter 8 Notes Quadrilaterals - Download PDF

NCERT Class 9 Maths Chapter 8 Notes Quadrilaterals - Download PDF

Edited By Ramraj Saini | Updated on Mar 18, 2024 12:46 PM IST

The Quadrilaterals is the NCERT chapter in which The comprehensive notes for the concept of Quadrilaterals cover the following concepts in detail: Definition of Quadrilaterals, Type of Quadrilaterals, properties of Quadrilaterals. The NCERT Class 9 Math Chapter 8 Notes covers a brief outline of the chapter Quadrilaterals. The main topics covered are Quadrilaterals, Definition of Quadrilaterals, Type of Quadrilaterals, properties of Quadrilaterals, the Quadrilaterals class 9 notes with some FAQs. Class 9 math Chapter 8 notes contain important formulas. CBSE class 9 math Chapter 8 notes contain systematic explanations of topics using examples and exercises. In notes for class 9 math Chapter 8, topics are explained step by step. These topics can be downloaded from Quadrilaterals class 9 notes pdf download.

Also, students can refer,

NCERT Class 9 Math Chapter 8 Notes

Define A Quadrilaterals

Four points are joined in a particular order to obtain a closed figure called quadrilaterals.

Consider below a quadrilateral ABCD:

1648457443997

HERE sides are AB, BC, CD, and DA. and diagonal are AC, BD.

Types of The Quadrilaterals

  • Square

  • Rectangle

  • Rhombus

  • Parallelogram

  • Trapezoidal

Square: - Square has four sides equal and all sides are perpendicular to each other.

Sides are AB, BC, CD, and DA, and diagonals are AC, BD.

In the square, all the sides are perpendicular to each other, and the diagonal is also perpendicular to each other.

1648457443778

Rectangle: - Rectangle has two opposite sides equal and all sides are perpendicular to each other.

Suppose sides are AB, BC, CD, and DA and diagonals are AC, BD. All the sides are perpendicular to each other and diagonal may not be perpendicular to each other.

i.e. AB ⊥ BC, BC ⊥CD

1648457444661

Rhombus: - Rhombus have four sides equal and all sides are perpendicular to each other.

Consider AB, BC, CD, and DA as sides of a rhombus, and diagonals are AC, BD. All the sides are not perpendicular to each other and diagonal also perpendicular to each other.

i.e. CD ⊥ DA

1648457444205

Parallelogram: - Parallelograms have both opposite sides equal and parallel to each other.

Consider AB, BC, CD, and DA as sides of the parallelogram. Two opposite sides are parallel and equal to each other and the diagonal may not be equal.

1648457442456

Trapezoidal: - Trapezoidal have only one opposite side parallel to each other.

1648457444395

Significance of NCERT class 9 math Chapter 8 notes

Quadrilaterals class 9th notes will help students to understand the formulas, statements, and rules in detail.

This NCERT class 9 math Chapter 8 notes also contains previous year’s questions and NCERT textbook pdf.

These topics can also be downloaded from Class 9 math Chapter 8 notes pdf download.

NCERT solutions of class 9 subject wise

NCERT Class 9 Exemplar Solutions for Other Subjects:

NCERT Class 9 Notes Chapter wise

Also Read

Articles

Upcoming School Exams

National Institute of Open Schooling 12th Examination

Admit Card Date:04 October,2024 - 29 November,2024

National Institute of Open Schooling 10th examination

Admit Card Date:04 October,2024 - 29 November,2024

Maharashtra School Leaving Certificate Examination

Application Date:07 October,2024 - 19 November,2024

Mizoram Board of School Education 12th Examination

Application Date:07 October,2024 - 22 November,2024

Mizoram Board 10th Examination

Application Date:07 October,2024 - 22 November,2024

View All School Exams
Get answers from students and experts

Popular Questions

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
Read More

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

 
Read More

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
Read More

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
Read More

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 .
Read More

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
Read More

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.
Read More

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.
Read More

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
Read More

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
Read More

Colleges After 12th

Popular Course After 12th

Applications for Admissions are open.

VMC VIQ Scholarship Test
Apply

Register for Vidyamandir Intellect Quest. Get Scholarship and Cash Rewards.

JEE Main Important Physics formulas
Apply

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

JEE Main Important Chemistry formulas
Apply

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

TOEFL ® Registrations 2024
Apply

Accepted by more than 11,000 universities in over 150 countries worldwide

Pearson | PTE
Apply

Register now for PTE & Unlock 20% OFF : Use promo code: 'C360SPL20'. Valid till 30th NOV'24! Trusted by 3,500+ universities globally

JEE Main high scoring chapters and topics
Apply

As per latest 2024 syllabus. Study 40% syllabus and score upto 100% marks in JEE

View All Application Forms
News and Notifications
Delhi CM Atishi inaugurates 131-room school at Sunder Nagri
Delhi primary schools to run online classes in view of rising pollution, says CM Atishi
Delhi DoE notifies revised income limit for EWS admissions in private schools
Happy Children’s Day 2024! Take this quiz to test how much you know of child rights and education in India
School student sexually assaulted in school bus in Delhi's Anand Vihar
Children’s Day 2024: History, significance of Bal Diwas; how is it celebrated?
Air Pollution: Delhi, Gurugram schools suspend outdoor activities, suggest masks for students
Back to top