Different Types of Polygons

The different types of polygons are discussed here.

In any polygon a pair of sides that are inclined to each other meet at a point. This point is called a vertex of the polygon. In the polygon there are as many vertices as there are sides.


Definition of Polygon:

A polygon is a plane figure that is made by joining the line segments where each line segment meets exactly two other line segments.

The intersection point of two line segments is called the vertex of the polygon.

Polygons are classified according to their number of sides.

Polygon - Triangle:

The triangle has 3 sides and 3 vertices.

Different Types of Polygons

Triangle

Polygon - Quadrilateral:

The quadrilateral has 4 sides and 4 vertices.

Different Types of Polygons

Quadrilateral

Polygon - Pentagon:

The pentagon has 5 sides and 5 vertices.

Pentagon

Pentagon

Polygon - Hexagon:

The hexagon has 6 sides and 6 vertices.

Hexagon

Hexagon


Different Types of Polygons:

Name

Number of Sides

Figures

Triangle

3

Polygon - Triangle

Quadrilateral

4

Polygon - Quadrilateral

Pentagon

5

Polygon - Pentagon

Hexagon

6

Polygon - Hexagon

Heptagon

7

Polygon - Heptagon

Octagon

8

Polygon - Octagon

Nonagon

9

Polygon - Nonagon

Decagon

10

Polygon - Decagon

Types of Polygons

Questions and Answers on Polygons:

1. Classify the following polygons according to the number of sides:

Classify the Following Polygons

Solution:

(i) Pentagon

(iii) Quadrilateral

(ii) Nonagon

(iv) Hexagon


2. In the adjacent figure, the polygon according to sides is __________.

(i) hexagon

(ii) octagon

(iii) heptagon

(iv) nonagon


Solution:

Here the no. of sides in the polygon = 8.

Hence, it will be an octagon.

Octagon Problem

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Related Concepts on Geometry - Simple Shapes & Circle

Simple Closed Curves

Polygon

Different Types of Polygons

Angle

Triangle

Quadrilateral

Circle Math

Line Symmetry

Symmetrical Shapes




4th Grade Math Activities

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