Mathematics: How much more area does a large pizza with a 12 in. diameter have than a small pizza with an 8 in. diameter? round your answer to the nearest square inch 38 in2 63 in2 87 in2 13 in2

How much more area does a large pizza with a 12

Ответ:

mandilynn22

14.03.2022

A = pi × r^2 = pi × (d/2)^2
So A(large) - A(small) =
$\pi {(12 \div 2)}^{2} - \pi {(8 \div 2)}^{2} \\ = \pi {(6)}^{2} - \pi {(4)}^{2} = 36\pi - 16\pi \\ = 20\pi \: {in}^{2} = 20 \times 3.1415 \: {in}^{2} \\ = 62.8 \: {in}^{2} = 63 \: {in}^{2}$

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Ответ:

rj1262004

13.07.2021

Mathematics

77/18 = 4.27777777778

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How much more area does a large pizza with a 12 in. diameter have than a small pizza with an 8 in. diameter? round your answer to the nearest square inch 38 in2 63 in2 87 in2 13 in2

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