Hallar la corona circular si su radio mayor es 5 y el radio menor es 2

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asked Nov 9, 2017 211k views

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Hallar la corona circular si su radio mayor es 5 y el radio menor es 2

Spanish
middle-school

Muhammad Adeel Zahid asked

by Muhammad Adeel Zahid

8.2k points

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1 Answer

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Área corona = π*R²-π*r²

Donde

R = radio mayor
r = radio menor

Área corona =
$\pi * 5^(2) - \pi * 2^(2)$

$25 \pi - 4 \pi \\ 21 \pi \\ 21(3.14) \\ 65.97$

Topher Fangio answered Nov 15, 2017

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