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**Solutions of CBSE Class
X NCERT Mathematics **

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**Chapter
6, triangles**

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__CBSE Class
10, NCERT Mathematics Solutions of Exercise 6.1__

__CBSE Class 10, NCERT Mathematics Solutions of Exercise 6.1__

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__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.

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