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Express the area of a circle, a, as a function of its circumference, c.
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2 votes
Express the area of a circle, a, as a function of its circumference,
c.

User Jackson
by
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1 Answer

2 votes
Area = PI * radius^2

Circumference = 2 * PI * radius
radius = Circumference / 2 * PI

So, Area = PI * (Circumference / 2 *PI) * (Circumference / 2 *PI)
So, Area = Circumference^2 / (4*PI)

User Kuldeep Saxena
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