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Chapter 3: Understanding Quadrilaterals

    Introduction

    Sum of the Measures of the Exterior Angles of a Polygon

    Kinds of Quadrilaterals

    Some Special Parallelograms

    Exercise 3.1

    Execise 3.2

    Execise 3.3

    Execise 3.4

    What Have We Discussed?

    Enhanced Curriculum Support

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Chapter 3: Understanding Quadrilaterals > Exercise 3.1

Exercise 3.1

Given here are some figures.

Classify each of them on the basis of the following.

1

2

3

4

5

6

7

8

Enter the numbers from the image according to the type of image.

(a) Simple Curve : ,,,, (Enter image number in ascending order)

(b) Simple Closed Curve : ,,,, (Enter image number in ascending order)

(c) Polygon : , (Enter image number in ascending order)

(d) Convex Polygon : (Enter image number in ascending order)

(e) Concave Polygon : (Enter image number in ascending order)

2. What is a regular polygon ?

A polygon that is (in terms of side lengths) and is (in terms of its angles).

State the name of a regular polygon of:

(i) 3 sides :

(ii) 4 sides :

(iii) 6 sides :