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That quantity is usually called "area".

The area of any circle is (pi) (radius)2 .

Area = (pi) (11 inches)2 = 380.133 square inches (rounded)

To convert square inchage to square footage, divide by 144.

380.133 square inches = 2.64 square feet (rounded)

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Q: What is the Square footage of a circle if the radius is 22 inches?
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