**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.