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Mathematics 13 Online
OpenStudy (anonymous):

The surface area of a sphere is found using the formula SA=43.14r squared where r is the radius. If the surface area of a sphere is 1443.14 square feet. what is the radius in feet.?

OpenStudy (anonymous):

probably over 9000

OpenStudy (anonymous):

i couldn't put what it actually said. because there isn't a "pi" symbol. but A-6 b-12 c-18 d-36

OpenStudy (anonymous):

\[1443.14=43.14\pi r^2\] does that help?

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