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What is the exact area of a circle with a diameter of 18 feet? A.36π square feet B.81π square feet C.324π square feet D.1296π square feet
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1 vote
What is the exact area of a circle with a diameter of 18 feet?

A.36π square feet
B.81π square feet
C.324π square feet
D.1296π square feet

User Ricardo A
by
8.5k points

1 Answer

2 votes
area = π*r^2
= π * 9^2
=81π square feet. - B is your answer
User Mukesh Panchal
by
8.0k points
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