Respuesta :

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