Question

How do you find the area of a regular polygon given the side and the apothem?

Answer 1

you would have to make a triangle with the apothem and side and then find the area of that using sin, cosine, and tangent

Answer 2

Divide the pentagon into triangles like this

Answer 3

For each triangle, there is a perpendicular line that passes through the center (and it goes through the midpoint of each side)

Answer 4

ok

Answer 5

This is the apothem