Octagon

Definition of Octagon

• A polygon with eight sides is called an octagon.

Examples of Octagon

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

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

                                                                           

Solved Example on Octagon

How many interior angles does an octagon have?

Choices:

A. 9

B. 7

C. 8

D. none of these

Correct Answer: C

Step 1: A polygon with 8 sides is called an octagon.

Step 2: The number of interior angles in a polygon is equal to the number of sides.

Step 3: So, there are 8 interior angles in an octagon.

                                                                             

Related Terms for Octagon

• Polygon
• Regular Octagon

Additional Links for Octagon

• Click here for samples
• Back to Mathematics Dictionary