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Papessa [141]
3 years ago
6

Charmaine has completed 68 deliveries so far this week. She needs to make 85 deliveries for the week. What percentage of her del

iveries has Charmaine completed?
Mathematics
2 answers:
n200080 [17]3 years ago
7 0

\frac{68}{85}  \times 100 = 80\%
atroni [7]3 years ago
7 0
68
—- •100=80 percent
85
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Step-by-step explanation:

Area of shaded region it is area of hexagon minus area of circle.

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Height (H) of such a triangle is equal to radius (R) of a circle inscribed in the hexagon:

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A=\dfrac{6^2(6\sqrt3-3\pi)}4=\dfrac{36(6\sqrt3-3\pi)}4=9(6\sqrt3-3\pi)=27(2\sqrt3-\pi)\ cm^2\\\\A=27(2\sqrt3-\pi)\ cm^2\approx8.71\ cm^2

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