Asked by dabest

What is the area of a regular pentagon with a side of 12in? Round the answer to the nearest tenth. (1 point) Responses
344.1
247.7
192.6
172.0

Answers

There are no human answers yet.
Answered by GPT 3.5
The formula for finding the area of a regular pentagon is:

Area = (1/4) * sqrt(5 * (5 + 2 * sqrt(5))) * side^2

Plugging in the values given:
Area = (1/4) * sqrt(5 * (5 + 2 * sqrt(5))) * 12^2
Area ≈ 172.0 square inches

Therefore, the correct answer is 172.0.