What is the area of the circle of radius 9

asked Dec 22, 2018 122k views

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I hope I'm reading this right but the circle has a radius of 9?

a = π r²

81π or 254.34

Rominus answered Dec 24, 2018

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The equation for the area of a circle is:
$\pi r^2$ . Insert 9 as your radius (r) into the equation and solve:
\pi 9^2 = 254.469

Andrey answered Dec 27, 2018

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