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14-05-2020
Mathematics

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Find the circumference of a circle whose area is π/4 square foot

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14-05-2020

Answer:

c = pi ft

Step-by-step explanation:

The area is pi/4

The formula for area is

A = pi r^2

pi/4 = pi r^2

Divide each side by pi

1/4 = r^2

Take the square root of each side

sqrt(1/4) = sqrt(r^2)

1/2 = r

Now we want to find the circumference

C = 2 *pi*r

C = 2 * pi *1/2

C = pi

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