SOLUTION: What is the square feet inside a circumference of 438 feet? and What is the square feet inside a circumference of 502 feet?

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Question 619725: What is the square feet inside a circumference of 438 feet?
and
What is the square feet inside a circumference of 502 feet?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

What is the square feet inside a circumference of 438 feet?

 C%5BC%5D+=+2pi%2Ar+=+438  r+=+219%2Fpi  A%5BC%5D+=+pi%2Ar%5E2+=+%28%28219%5E2%29%2F%28pi%5E2%29%29+=+%28219%29%5E2%2Fpi 

Similarily:

 C%5BC%5D+=+2pi%2Ar+=+502  r+=+251%2Fpi  A%5BC%5D+=+pi%2Ar%5E2+=+%28%28251%5E2%29%2F%28pi%5E2%29%29+=+%28251%29%5E2%2Fpi