- Similar Figures
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- Similar Polygons
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- Basic Proportionally Theorem (or Thales Theorem)
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- Criteria for Similarity of Triangles
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- Different Criterion for similarity of the triangles
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- Areas of Similar Triangles
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- Pythagoras Theorem
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- Converse of Pythagoras Theorem

In this page we have *NCERT Solutions for Class 10 Maths: Chapter 6 Similar triangles* for
Exercise 6.1 . Hope you like them and do not forget to like , social_share
and comment at the end of the page.

Two polygons of the same number of sides are similar, if (i) all the corresponding angles are equal and (ii) all the corresponding sides are in the same ratio (or proportion).

(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)

i) Similar

ii) Similar

iii)Equilateral

iv) (a) Equal (b) Proportional

Give two different examples of pair of

(i) Similar figures

(ii) Non-similar figures

(i) Examples of Similar figures would be a)Two equilateral triangles of sides 2 cm and 6 cm respectively

b)Two Square of sides 2 and 6 cm respectively

(ii)Examples of non-Similar figures would be a) Square and a circle

b) Triangle and square

State whether the following quadrilaterals are similar or not:

We know that two polygons are similar if (i) their corresponding angles are equal and (ii) their corresponding sides are in the same ratio. Here the given two figures have corresponding sides in the same ratio but the corresponding angles are not equal. So, these figures are not similar

Given below are the links of some of the reference books for class 10 math.

- Oswaal CBSE Question Bank Class 10 Hindi B, English Communication Science, Social Science & Maths (Set of 5 Books)
- Mathematics for Class 10 by R D Sharma
- Pearson IIT Foundation Maths Class 10
- Secondary School Mathematics for Class 10
- Xam Idea Complete Course Mathematics Class 10

You can use above books for extra knowledge and practicing different questions.

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