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A circle's radius is 0.9 ft. What is its area?
Formula for Area of a Circle:-
A=πr²
Where
- A = area
- π = pi, 3.14
- r = radius, 0.9 ft; plus it's squared, or multiplied by itself
Substitute the values:-
A=π(0.9)²
On simplification,
A=0.81π
On further simplification,
A=2.54 ft²
Good luck.
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