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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
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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

User Foto
by
7.0k points

2 Answers

3 votes
It is A because the area of a circle id πr^2 an 9*9=81 81
User Anil Kumar K K
by
8.6k points
4 votes
Area of a circle= π * r^2
π*9^2
π*81= 81π
Your answer is A.
User Amateur Barista
by
9.6k points
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