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
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.