# Ex 6.1 Class 10 Maths Solutions from NCERT - Learn Hool

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 Board CBSE Textbook NCERT Class Class 10 Subject Maths Chapter Chapter 6 Chapter Name Triangles Exercise Ex 6.1 Number of Questions Solved 3 Category NCERT Solutions

## Ex 6.1 Class 10 Triangles

Ex 6.1 Class 10, Question 1.
Fill in the blanks by 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:
Fill in the blanks.
(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, if
(a) their corresponding angles are equal and
(b) their corresponding sides are proportional.

Ex 6.1 Class 10, Question 2.
Give two different examples of pair of
(i) similar figures.
(ii) non-similar figures.
Solution:
(i) Examples of similar figures:

(ii) Examples of non-similar figures:

• Two triangles of different angles.
• Two quadrilaterals of different angles.

Ex 6.1 Class 10, Question 3.
State whether the following quadrilaterals are similar or not. Solution:
No, the sides of quadrilateral PQRS and ABCD are proportional but their corresponding angles are not equal. 