A triangle is a polygon that has three sides and three corners. It is one of the basic geometrical shapes with a minimum number of lines polygon. For comparing and describing triangles congruence property is used. Two triangles are said to be congruent if they are identical in terms of their shape and size. But not all the figures or shape that has similar shape or size need to be congruent. In other words, triangles are said to be congruent if the corresponding sides or angles of one shape are equal to the corresponding sides or angles of the other triangle.
This Story also Contains
NCERT solutions of Class 10 maths ex 6.1 concentrate on triangles and their similarity and congruence concept. Here we will discover the meaning of comparable triangles, and learn how comparable geometric forms differ and why they're grouped together. These distinctions between similar geometric shapes will aid your understanding of how these triangles differ. NCERT solutions for exercise 6.1 Class 10 Maths chapter 6 Triangles discuss the concept of geometry as per the NCERT Book, which helps us to grasp new ideas in advanced classes.
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.
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.
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.
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.
Also Read-
1. Definition of Triangle: A triangle is a polygon that has three edges and three vertices. It means the polygon with the minimum number of sides is called a triangle. To understand the terms related to triangles student must know the basic definition of a triangle.
2. Congruent Triangles: This is the basic concept that is used to compare triangles. Two triangles are said to be congruent if they same size and shape. Two criteria for triangle congruence are as follows -
Their corresponding angles are equal and
Their corresponding sides are in the same ratio.
3. Similar Figure: Two triangles or any other figure are said to be similar if they have the same shape, but not necessarily have the same size. For example, two equilateral triangles in which each side of the first triangle is 6cm and each side of the other triangle is 8cm are said to be similar because both are equilateral triangles.
Also see-
Students must check the NCERT solutions for Class 10 Maths and Science given below:
Students must check the NCERT exemplar solutions for Class 10 Maths and Science given below:
Frequently Asked Questions (FAQs)
No, because they have different number of sides. Triangle has three and square has 4
Two figures are similar to each other if they have the same shape but are of different size.
Sum of the angels of a triangle is 180 degrees.
Two figures with same number of sides are similar if
their corresponding angles are equal and
their corresponding sides are in the same ratio,
Yes, any two given circles are always similar to each other.
Because, the sides of rectangle are not equal to each other. Thus, the ratio of sides is not same for all the sides.
No, similarity means that the figures are just of same shape it doesn’t mean that they are equal.
Yes, if their number of sides are equal to each other then the two are similar.
On Question asked by student community
Hrllo,
If you want to view the CM Shri School 2025-26 admission test result, visit the official website http://www.edudel.nic.in/ (http://www.edudel.nic.in/,) ; here, click on the "CM Shri Schools Admission Test - 2025." then select the "CM Shri Admission Test Result 2025 - Merit List" link. Here you need to log in with your credentials and view or download the merit list pdf.
I hope it will clear your query!!
Hello aspirant,
Fairness and equal opportunity are guaranteed by the rigorous merit-based admissions process at CM Shri Schools. The merit list will be made public on edudel.nic.in, the official DOE website. Based on how well they did on the admission exam, students will be shortlisted.
To know the result, you can visit our site through following link:
https://school.careers360.com/articles/cm-shri-school-admission-test-result-2025
Thank you
Hello
The CM Shri School Admission Test was conducted for students seeking quality education.
The result and selection list are expected to be released around 20 September 2025.
Students who qualified will get admission into CM Shri Model Schools across the state.
The official list of selected students will be available on the edudel.nic.in website.
Candidates can check their names in the merit list PDF once uploaded.
Selection is based on the student’s performance in the entrance exam.
Keep checking the official site or the school notice board for timely updates.
You can check CM Shri school result here: https://school.careers360.com/articles/cm-shri-school-admission-test-result-2025 Thank You.
Hello! If you are looking for the CM Shree School result for 2025, here is the link provided by Careers360 where you can check your result easily. I’ll be attaching it for your reference so you can access it directly.
https://school.careers360.com/articles/cm-shri-school-admission-test-result-2025
This ebook serves as a valuable study guide for NEET 2025 exam.
This e-book offers NEET PYQ and serves as an indispensable NEET study material.
As per latest syllabus. Physics formulas, equations, & laws of class 11 & 12th chapters
As per latest syllabus. Chemistry formulas, equations, & laws of class 11 & 12th chapters
As per latest 2024 syllabus. Study 40% syllabus and score upto 100% marks in JEE
As per latest syllabus. Maths formulas, equations, & theorems of class 11 & 12th chapters