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The radius of a ciecle is 13 cm. find its área to the nearest tenth

User Yeo
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1 Answer

3 votes

Given data:

The given radius of the circle is r=13 cm.

The expression for the area of the circle is,


A=\pi(r)^2

Substitute the given value in the above expression.


\begin{gathered} A=\pi(13cm)^2 \\ =520.929cm^2 \\ \approx520.9cm^2 \end{gathered}

Thus, the area of the circle is 520.9 square-cm.

User Loxdog
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