Enter Octagon values

The of an octagon is
  

How does the Octagon Calculator work?
Free Octagon Calculator - Calculate side, area, and perimeter of an octagon based on inputs
This calculator has 1 input.
What 1 formula is used for the Octagon Calculator?
P = 8*s
What 5 concepts are covered in the Octagon Calculator?
area
Number of square units covering the shape
octagon
An eight (8) sided polygon
P = 8s
perimeter
The distance around a shape or object
polygon
A plane figure bounded by a set of straight lines
side
line segment joining two vertices in a polygon also known as an edge
Example calculations for the Octagon Calculator