Asked by Casey
If the circumference of a circle is 16 meters what is the approximate area of the circle? Use 3 for pi.
Answers
Answered by
Steve
C = 2πr, so r = C/2π
A = πr^2 = π(C/2π)^2 = C^2/4π
In this case, A = 16^2/12 = 21.3
A = πr^2 = π(C/2π)^2 = C^2/4π
In this case, A = 16^2/12 = 21.3
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