What is a polygon?

A simple closed curve made of three or more line-segments is called a polygon. A polygon has at least three line-segments.

The line-segments of a polygon are named by the sides in it. ** Poly** means many and

*The different polygons having definite number of sides are given names according to the number of sides.*

**(i)** A polygon with three sides is called a **triangle**.

**Triangle**

**(ii)** A polygon with four sides is called a **quadrilateral**.

**Quadrilateral**

**(iii)** A polygon with five sides is called a **pentagon**.

**Pentagon**

**(iv)** A polygon with six sides is called a **hexagon**.

**Hexagon**

Thus a polygon is given its name on the basis of the number of its sides.

**Related Concepts on ****Geometry - Simple Shapes & Circle**

**● Polygon**

**● Angle**

**● Triangle**

**4th Grade Math Activities
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