SOLUTION: This regular pentagon whose sides all measure 9 feet is made up of five triangles each having a height of 6.2 feet. What is the area of this pentagon?

Algebra ->  Polygons -> SOLUTION: This regular pentagon whose sides all measure 9 feet is made up of five triangles each having a height of 6.2 feet. What is the area of this pentagon?      Log On


   



Question 944055: This regular pentagon whose sides all measure 9 feet is made up of five triangles each having a height of 6.2 feet. What is the area of this pentagon?
Answer by macston(5194) About Me  (Show Source):
You can put this solution on YOUR website!
For each triangle, area=1/2(b)(h), so for the entire pentagon:
b=base or side=9 feet, h=height=6.2 feet(given)
Total area=(5)(1/2)(9 feet)(6.2 feet)=139.5 sq ft ANSWER
Total Area of the pentagon is 139.5 sq ft