The radius of a circle is 3 km. what is the circle's area and what is the formula you have to use?

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asked Mar 13, 2021 104k views

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The radius of a circle is 3 km. what is the circle's area and what is the formula you have to use?

Mathematics
middle-school

Alexander Arendar asked

by Alexander Arendar

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Answer:

Circle's area = 28,26 km

Formula = π r²

Explanation:

$circle's \: \: area = \pi \: {r}^(2) \\ circle's \: \: area = 3,14 * {3}^(2) \\ circle's \: \: area = 28,26 \: km \\ circle's \: \: area = 28.260 \: m$

Moleculezz answered Mar 19, 2021

by Moleculezz

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