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CBSE 10th Maths - Triangles - Exercise 6.1

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) 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) Similar figures

(ii) Non-similar figures

Question 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.


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