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3 years ago

What is the area of the circle of radius 9

Mathematics

2 answers:

fredd [130]3 years ago

7 0

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

a = π r²

81π or 254.34

erma4kov [3.2K]3 years ago

4 0

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

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