Find the area of a regular pentagon with n sides, each of length 2a metres

Question

asked May 7, 2024 106k views

1 Answer

Mdh · Answer 1 · 2024-05-11T17:36:41+0000

A=1/4√(5(5+2√5))a² is the formula for a pentagon according to g**gle (I'm sorry). Plug 2a into the equation as a, to get

1/4√(5(5+2√5))(2a)²

This gives an answer of the rather long

√(10√(5)+25)·a²

Sorry about that