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Remember the circle equation.

A = pi r^(2)

A = 3.141592.... (9ft)^2 =

A = 3.141592... 81sq.ft

A = 254.4690049... sq.ft. ~ 254.5 sq.ft.

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lenpollock

Lvl 16
2mo ago
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Wiki User

13y ago

Area of a circle = pi R2 = 81 pi = 254.47 square ft (rounded)

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Q: How many square feet in a circle with the radius of 9ft?
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