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LUCKY_DIMON [66]
3 years ago
12

What is the approximate area of the shaded region?

Mathematics
1 answer:
vaieri [72.5K]3 years ago
7 0
If we consider that the figure is a square and the white region of the figure is a circle, the area of the shaded region is:

S=S_{square}-S_{circle}=\ell^2-\pi r^2=10^2-\pi5^2=100-25\pi\\\\
S\approx100-25\cdot3.14=100-78.5\\\\
\boxed{S\approx21.5~cm^2}\Longrightarrow Alternative~D
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