NCERT Class 10 Mathematics Chapter 6 – Triangles
Exercise 6.1 Page: 122
1. Fill in the blanks using correct word given in the brackets:-
(i) All circles are __________. (congruent, similar)
Answer: Similar
(ii) All squares are __________. (similar, congruent)
Answer: Similar
(iii) All __________ triangles are similar. (isosceles, equilateral)
Answer: 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)
Answer: (a) Equal
(b) Proportional
2. Give two different examples of pair of
(i) Similar figures
(ii) Non-similar figures
Solution:
3. State whether the following quadrilaterals are similar or not:
Solution:
From the given two figures, we can see their corresponding angles are different or unequal. Therefore they are not similar.