SOLUTION: The function A described A(r)=4 pie R squared gives the surface area of a sphere with R. Find the surface area with a radius of 7 Inches

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Question 435475: The function A described A(r)=4 pie R squared gives the surface area of a sphere with R. Find the surface area with a radius of 7 Inches
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
It's the Greek letter pi, not the dessert pie.
A+=+4%2Api%2Ar%5E2
r = 7
Do you have a calculator?