SOLUTION: the shape is a pentagon. if you have an apothem of 6 and your area of the the shape is 130.8 cm 2[ squared ] how would you find the perimeter?

Algebra ->  Polygons -> SOLUTION: the shape is a pentagon. if you have an apothem of 6 and your area of the the shape is 130.8 cm 2[ squared ] how would you find the perimeter?      Log On


   



Question 445841: the shape is a pentagon. if you have an apothem of 6 and your area of the the shape is 130.8 cm 2[ squared ] how would you find the perimeter?
Answer by Gogonati(855) About Me  (Show Source):
You can put this solution on YOUR website!
The area of a regular pentagon is given by formula:A=%281%2F2%29%2Ap%2Aa, where p is
the perimeter and a the apothem.Substituting in our formula we have:
130.8=%281%2F2%29%2A6%2Ap => p=130.8%2F3cm.