9514 1404 393
Answer:
522 in²
Step-by-step explanation:
The area of a regular polygon is given by the formula ...
A = 1/2Pa
where P is the perimeter and 'a' is the apothem. Using the given values, we find the area to be ...
A = 1/2(5·17.4 in)(12 in) = 522 in²