Pentagon

Definition of Pentagon

• Pentagon is a polygon with five sides.

Examples of Pentagon

• The figure below shows an pentagon. All its sides do not measure the same.

• The figure below shows a regular pentagon. All its sides measure the same.

Solved Example on Pentagon

What is the measure of each angle of a regular pentagon?

Choices:

A. 106°

B. 110°

C. 108°

D. 100°

Correct Answer: C

Solution:

Step 1: The measure of each angle of a regular polygon = , where n is the number of sides of the polygon.

Step 2: The measure of each angle of a regular pentagon =  = 108°.

[Substitute n = 5]

Step 3: The measure of each angle of a regular pentagon is 108°.

Related Terms for Pentagon

• Polygon
• Regular Pentagon

 

Additional Linksfor Pentagon

• Click here for samples
• Back to Mathematics Dictionary