Enter pentagon info

<-- Side Length
<-- Apothem

How does the Pentagons Calculator work?
Free Pentagons Calculator - Given a side length and an apothem, this calculates the perimeter and area of the pentagon.
This calculator has 2 inputs.

What 2 formulas are used for the Pentagons Calculator?

P = 5 x s
A = a x s/4

For more math formulas, check out our Formula Dossier
What 6 concepts are covered in the Pentagons Calculator?
a line segment from the center to the midpoint of one of its sides
Number of square units covering the shape
a polygon of five angles and five sides
The distance around a shape or object
A plane figure bounded by a set of straight lines
line segment joining two vertices in a polygon also known as an edge

Pentagons Calculator Video