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Mathematics, 20.08.2019 12:20 thinkerbelly157

What is the area of a circle with a radius of 9 cm? (express your answer using π.)
a.
81π cm2
b.
18π cm2
c.
324π cm2
d.
9π cm2

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What is the area of a circle with a radius of 9 cm? (express your answer using π.)
a.
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