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

asked Nov 8, 2021 46.5k views

3 votes

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

5.1k points

Please log in or register to add a comment.

4 votes

Answer:

688.2ft^2

Explanation:

Emile Zankoul answered Nov 10, 2021

5.2k points

2 votes

Answer:

688.19m^2

Explanation:

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

LodeRunner answered Nov 13, 2021

5.1k points

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

6.0m questions

7.9m answers