jgranier21 jgranier21

17-01-2021
Mathematics

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If the circumference of a circle is x, then what is the area of the circle in terms of x?

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harrislui321 harrislui321

17-01-2021

Answer:

x^2 / 4pi

Step-by-step explanation:

The area of a circle is (pi x r)^2

The circumference of a circle is 2pi x r

The find the radius, you need to divide x by 2pi, so x / 2pi

Then just plug it in as the radius:

(pi x (x / 2pi))^2 = x^2 / 4pi

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