Answered

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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

Sagot :

Nekoneko
Area of a circle= π * r^2
π*9^2
π*81= 81π
Your answer is A.
It is A because the area of a circle id πr^2 an 9*9=81 81
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