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How to find the area of a semi-circle
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How to find the area of a semi-circle

User Dieworld
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The area of a circle is given by:


\begin{gathered} A=\pi r^2 \\ where \\ r=radius \end{gathered}

Therefore, the area of a semicircle is:


A_s=\frac{\pi r^2_{}}{2}

User Chiyo
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