**Exercise 6.1 Class 10 Maths Chapter 6 Triangles**

**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 **Equal** and (b) their corresponding sides are **proportional.**

**2. Give two different examples of pair of (i) similar figures. (ii) non-similar figures.**

Answer:

(i) **similar figures:** Two rectangles, two circles, two equilateral triangles

Real life examples: Same shoes of different number; a 5kg gas cylinder and 15 kg cylinder.

(ii) non-similar figures: A circle and a triangle; a triangle and a square.

Real life examples: Two glasses of different shapes; two cloths of different design and shape.

**3.State whether the following quadrilaterals are similar or not:**

Answer: Two quadrilaterals are similar when the ratio of their corresponding sides are the same and the corresponding angles are also the same. Here, Both quadrilaterals have different angles; quadrilateral A is Rhombus while Quadrilateral B is square. So, they are not similar quadrilaterals.

**Next: Exercise 6.2 Class 10 Maths Chapter 6 Triangles Solution.**