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OpenStudy (anonymous):
What is the surface area of a sphere with a diameter of 14 cm?
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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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