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If a circle has a circumference of c , what is the area of the circle in terms of c ?

If a circle has a circumference of c , what is the area of the circle in terms of c ?
asked 67.4k views
5 votes
If a circle has a circumference of c , what is the area of the circle in terms of c ?

asked
User Benoit Tremblay
by
8.3k points

1 Answer

4 votes
C = 2(pi)r
r = C/2 pi
A = pi r^2
= pi (c/2 pi)^2
= pi c^2/4 pi^2
= c^2/4 pi
answered
User Dalin Huang
by
8.5k points
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