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What is the approximate area of a circle with a diameter of 15 in?

What is the approximate area of a circle with a diameter of 15 in?-example-1
User Klynch
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1 Answer

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The area of a circle is calculated as ,


a=\pi r^2

Here, r is the radius, which is same as that of hlf the diameter.

So,


r=(d)/(2)=(15)/(2)=7.5\text{ in}

Therefore the area is,


\begin{gathered} a=\pi*7.5^2 \\ \text{ =3.14}*56.25 \\ \text{ =}176.652in^2 \end{gathered}

User Amarnath R Shenoy
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