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Find the area of a semi circle with a radius of 9.6ft. round to nearest tenth

User Tdh
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Since a semicircle is half of a circle, then the Area of a semicircle is half of the area of the circle! thus


\begin{gathered} A=(\pi r^2)/(2) \\ \\ A=(\pi(9.6)^2)/(2) \\ A=(289.5291)/(2) \\ A=144.76\text{ ft}^2 \\ \\ \text{ The area of the semicircle is }144.7ft^2 \end{gathered}

User Cheduardo
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