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An earthquake was felt throughout a circular of 1808.64 square miles what was the radius of the circular area?
Area, A, of a circle:
A = (pi)r^2
r^2 = A/pi
r = √(A/pi)
r = √(1808.64/pi)
r ≈ 23.9939 miles
* so i would round it up and it would be 24miles *
You can round the answer up to 24, but a radius 24 is not so close to the area which is 1808.64.
Check: (pi)24^2 ≈ 1809.56, and (pi)23.9939^2 ≈ 1808.64
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