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The diameter of a circle is 20 feet. Using the formula A = r2, what is the area of the circle? Use 3.14 for pi.
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The diameter of a circle is 20 feet. Using the formula A = r2, what is the area of the circle? Use 3.14 for pi.

User Camnesia
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Area = PI * radius ^ 2
radius = 10 feet
Area = PI * 100
Area = 3.14 * 100
Area = 314 square feet

User Regfor
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