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Mathematics 7 Online
OpenStudy (anonymous):

What is the area of a circle with a radius of 10 feet? (Use 3.14 for ρ.)

OpenStudy (anonymous):

314 ft^2

OpenStudy (anonymous):

Area of a circle = (pi)*r*r 3.14*10*10 = 314

OpenStudy (anonymous):

\[A=\pi r^{2}\] =314 square feet

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