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Octagon

Definition Of Octagon

A polygon with eight sides is called an octagon.

More About Octagon

The figure below shows an octagon. All its sides do not measure the same.
An octahedron has 8 faces, 12 edges and 6 vertices.

Example of Octahedron

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.

      

Video Examples: How to Draw an Octagon

Solved Example on Octahedron

Ques: How many interior angles does an octagon have?

Choices:

A. 9
B. 7
C. 8
D. none of these
Correct Answer: C

Solution:

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.