Haryana State Board HBSE 10th Class Maths Solutions Chapter 6 Triangles Ex 6.1 Textbook Exercise Questions and Answers.
Haryana Board 10th Class Maths Solutions Chapter 6 Triangles Ex 6.1
Question 1.
Fill in the blanks using the correct word given in the 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:
(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.
Question 2.
Give two different examples of pair of :
(i) Similar figures
(ii) non-similar figures
Solution:
(i) (a) Pair of equilateral triangles are similar figures.
(b) Pair of circles are similar figures.
(ii) (a) A pair of a triangle and a square are non-similar figures.
(b) A pair of a square and a rectangle are non-similar figures.
Question 3.
State whether the following quadrilaterals are similar or not.
Solution:
The two quadrilaterals PQRS and ABCD are not similar because their corresponding angles are not equal.