In this post, we will share NCERT Class 10th Maths Book Solutions Chapter 6 Triangles Ex 6.1. These solutions are based on new NCERT Syllabus.

## NCERT Class 10th Maths Solutions Chapter 6 Triangles Ex 6.1

Question 1.

Fill in the blanks using the correct word given in brackets:

(i) All circles are ……….. (congruent, similar)

(ii) All squares are ………….. (similar, congruent)

(iii) All ………….. triangles are similar (isosceles, equilateral)

(iv) Two polygons of the same number of sides are similar, if

(a) their corresponding angles are ………… and

(b) their corresponding sides are …………. (equal, proportional).

Solution:

(i) All circles are similar.

(ii) All squares are similar.

(iii) All equilateral triangles are similar.

(iv) Two polygons of the same number of sides are similar.

(a) Their corresponding angles are equal and

(b) Their corresponding sides are proportional.

Question 2.

Give two different examples of pair of

i) similar figures

Solution:

coin, wheel of a cart.

ii) non-similar figures.

Solution:

A square Rhombus

Question 3.

State whether the following quadrilaterals are similar or not:

Solution:

On observing the given figures, we find that

Their corresponding sides are proportional but their corresponding angles are not equal.

∴ The given figures are not similar.