Classifying Polygons
Objective:
Use properties to classify polygons.

Study the following words:
Polygons - shapes with closed, straight sides
Polygons are shapes with closed, straight sides. They are classified according to their number of sides.
The chart below lists some common polygons.

POLYGONS
Shape

Number of Sides

Name of Polygon

3

Triangle

4

Quadrilateral

5

Pentagon

6

Hexagon

8

Octagon

Example 1
Classify each polygon.
a.

		

The shape is a triangle because it has 3 sides.

b.

		

Classify each polygon.
		

		

		

The shape is a pentagon because it has 5 sides.