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Mathematics 20 Online
OpenStudy (anonymous):

What is the surface area of a sphere with a diameter of 14 cm?

OpenStudy (saifoo.khan):

use formula.

OpenStudy (anonymous):

615.7

OpenStudy (saifoo.khan):

4 x pi x r^2 4 x pi x 7^2 615.7

OpenStudy (anonymous):

XD

OpenStudy (saifoo.khan):

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