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What is the area of a circle with the radius 11cm
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What is the area of a circle with the radius 11cm

User Ivo Welch
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The area of a circle is calculated as follows:


A=\pi r^2

where r is the radius of the circle.

Substituting with r = 11 cm, we get:


\begin{gathered} A=\pi\cdot11^2 \\ A=\pi\cdot121 \\ A\approx380.1\operatorname{cm}^2 \end{gathered}

User Andrei Epure
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