SOLUTION: what is the exact area of a circle with a diameter of 31 inches?

Algebra ->  Angles -> SOLUTION: what is the exact area of a circle with a diameter of 31 inches?      Log On


   

Question 377353: what is the exact area of a circle with a diameter of 31 inches?
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
A+=+pi%2Ar%5E2+=+pi%2A%2831%2F2%29%5E2+=+%28961%2Api%29%2F4 square inches.