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The diameter of a circle is 6 in. Find its area to the nearest tenth.

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Answer and Step-by-step explanation:

The area formula for a Circle is:

A =
\pi r^2

Diameter is equal to the radius times 2.

So, divide the diameter to get the radius.

6 divided by 2 equals 3.

Now, plug it into the formula.


A = \pi (3)^(2)

A =
9\pi

Plug this into your calculator by multiplying 9 by pi.

We get the answer to be 28.3 when rounded to the nearest tenth.

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User Tim Harrison
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