SOLUTION: what formula you use to find the circunference in area in a pool of 30' diameter

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Question 84395: what formula you use to find the circunference in area in a pool of 30' diameter
Answer by zerosignal(28) About Me  (Show Source):
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formula for circumference of a circle; c+=+pi%2Ad
formula for area of a circle; a+=+.7854%2A%28d%5E2%29
Where "d" is the diameter


c+=+pi%2A30
c+=+94.24777961feet


a+=+.7854%2A%2830%5E2%29
a+=+.7854%2A%28900%29
a+=+706.86ft%5E2