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andrew-mc [135]
3 years ago
15

Help asap!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Mathematics
1 answer:
worty [1.4K]3 years ago
6 0

Step-by-step explanation:

{x}^{2}  = 2  \times {4}^{2}  \\  {x}^{2} = 32 \\ x  =  4 \sqrt{2}   \\ diameter = 4 \sqrt{2}  \\ radius = 2 \sqrt{2}  \\ area \: of \: half \: of \: the \: circle =  \\

a =  \frac{\pi \times {(2 \sqrt{2} )}^{2}  }{2}  = 4\pi \\ area \: of \: triangle \:  =  \\ 2 \sqrt{2}  \times 2 \sqrt{2}  = 8 \\ area \: of \: shaded \: region \: is \:  =  \\ 4\pi - 8 = 4.57 \:  {cm}^{2}

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