SOLUTION: A regular pentagon has a side length of 8 inches. A square has the same perimeter as the pentagon. What is the arena of the square?

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Question 1141728: A regular pentagon has a side length of 8 inches. A square has the same perimeter as the pentagon. What is the arena of the square?
Answer by MathLover1(20850) About Me  (Show Source):
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A regular pentagon has a side length of 8 inches.
perimeter of the pentagon is
P=5%2A8in
P=40in

if a square has the same perimeter as the pentagon, than P=4a=>4a=40in=>a=10in
so, the area of the square will be:
A=a%5E2
A=%2810in%29%5E2
A=100in%5E2