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OpenStudy (anonymous):
what is the surface area of a sphere with a radius of 6
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OpenStudy (across):
The surface area of a sphere is defined as\[S=\frac{4}{3}\pi r^3\]
OpenStudy (amistre64):
surface is akin to circumference; 4pi r
OpenStudy (amistre64):
volume is akin to area; pir^2 -> pir^3
OpenStudy (amistre64):
surface is akin to circumference; 2pir -> 4pir
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