Question

What is the area of a regular pentagon with side length 20 feet?
Can u guys show steps pls.

Answer 1

688.2ft^2

Explanation:

Answer 2

`688.19m^2`

Explanation:

`A=(1)/(4) \sqrt{5(5+2√(5) } a^2\\=(1)/(4) \sqrt{5(5+2√(5) }* 20^2\\=688.19096m^2\\=688.191m^2\\=688.19m^2`