**CBSE NCERT Solutions Chapter 6 Triangles Exercise 6.1 Question 2**

**2. Give two different examples of pair of**

**(i) similar figures (ii) non-similar figures**

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by Jashan

**CBSE NCERT Solutions Chapter 6 Triangles Exercise 6.1 Question 2**

**2. Give two different examples of pair of**

**(i) similar figures (ii) non-similar figures**

by Jashan

**CBSE NCERT Solutions Chapter 6 Triangles Exercise 6.1 Question 1**

**1. Fill in the blanks using the correct word given in brackets:**

**(i) All circles are _____.**

**(ii) All squares are _____.**

**(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)**

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How to get Area of Triangle when two sides and angle between them are given

We are given two sides of triangle and angle between these two sides. We have to use a little bit of trigonometry in order to calculate its area. Look at the procedure in picture given below:

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**How to get Area of Triangle when all the three sides are given?**

In this case, we need to calculate semi-perimeter (S) first using formula (a+b+c)/2 where a,b and c are lengths of three sides of triangle. Then we use heron's or hero's formula to calculate its area. Following is the complete procedure to calculate its area.

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**How to get all the angles of triangle when all the three sides of triangle are given?**

We just need to use same formula three times in order to find measure of each angle. Have a look at the file to learn the process of calculating all the angles.

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