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Dimas [21]
3 years ago
12

Using 3.14 for pie what is the area of the circle to the nearest tenth of an inch

Mathematics
2 answers:
Nikitich [7]3 years ago
6 0

A = \pi {r}^{2}   \\  \\ r =  \frac{7.5}{2}  = 3.75

So

A = (3.14)({3.75}^{2} ) \\ A = (3.14)(14.0625) \\ A = 44.15625 \\ A =44.16

liraira [26]3 years ago
3 0

area =  \pi {r}^{2}  \\  r =  \frac{1}{2}  \times 7.5 = 3.75 \\ 3.14 \times 3.75  {}^{2}  \\ 3.75 {}^{2}  = 14.06 \\ 3.14 \times 14.06 = 44.1484 \: inches {}^{2}

hope that helped

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