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A bicycle wheel has a diameter of 24inches.
what is the area of the wheel?

1 Answer

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Answer:


\large\boxed{A=144\pi\ in^2\approx452.16\ in^2}

Explanation:

A diameter is two times longer than a radius. Therefore, if the diameter

d = 24in, then the radius r = (24in) : 2 = 12in.

The formula of an area of a circle:


A=\pi r^2

Substitute:


A=\pi(12)^2=144\pi\ in^2


\pi\approx3.14

Then


A\approx(144)(3.14)=452.16\ in^2

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