Bihar Board Class 10th Maths Solutions Chapter 6 Triangles Ex 6.1 Textbook Questions and Answers.

## BSEB Bihar Board Class 10th Maths Solutions Chapter 6 Triangles Ex 6.1

Question 1.

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

- All circles are ________. (congruent, similar)
- All squares are ________. (similar, congruent)
- All triangles are similar, (isosceles, equilateral)
- 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:

- similar
- similar
- equilateral
- equal, proportional.

Question 2.

Give two different examples of pair of

(i) similar figures

(ii) non-similar figures.

Solution:

(i) Two different examples of pair of similar figures are :

- any two circles
- any two squares.

(ii) Two different examples of pair of non-similar figures are :

- a scalene and an equilateral triangle.
- an equilateral triangle and a right angled triangle.

Question 3.

State whether the following quadrilaterals are similar or not:

Solution:

On looking at the given figures of the quadrilaterals, we can say that they are not similar. Here, sides are proportional, but corresponding angles are not equal.