Triangles - CBSE Class 10 NCERT Maths Solutions of Exercise 6.1

Solutions of CBSE Class X NCERT Mathematics  

Chapter 6, triangles

CBSE Class 10, NCERT Mathematics Solutions of Exercise 6.1

(Ncert Math Textbook Page 122)

Question 1:

Fill in the blanks using 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) Similar (ii) Similar (iii) Equilateral (iv) (a) Equal (b) Proportional

Question 2: Give two different examples of pair of

(i) Similar figures (ii) Non-similar figures

(Do it yourself)

Question 3: State whether the following quadrilaterals are similar or not:

Solution: Quadrilaterals PQRS and ABCD are not similar. The length of their corresponding sides are proportional in the ratio 1:2, but their corresponding angles are not equal.