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MrRa [10]
3 years ago
10

I got 57.12, but it’s not an answer...I am confusion

Mathematics
1 answer:
Setler [38]3 years ago
4 0
Check the picture below.

\bf \stackrel{\textit{area of the semicircle}}{\frac{\pi r^2}{2}}~~~~+~~~~\stackrel{\textit{area of the triangle}}{\frac{1}{2}bh}
\\\\\\
\stackrel{\textit{area of the semicircle}}{\frac{\pi 4^2}{2}}~~~~+~~~~\stackrel{\textit{area of the triangle}}{\frac{1}{2}(12)(8)}
\\\\\\
8\pi +48\qquad \approx\qquad  73.1327412287

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