OpenStudy (anonymous):

Find the surface area of a sphere having a radius of 4".

3 years ago
OpenStudy (anonymous):

what is the formula for calculating the surface area of a sphere with a given radiur "r"?

3 years ago
OpenStudy (anonymous):

\[4\pi r ^{2}\] where "r" is the radius

3 years ago
OpenStudy (anonymous):

4*3.14*4*4 = 200.96

3 years ago
OpenStudy (anonymous):

or ~ 200 square inches

3 years ago
OpenStudy (anonymous):

oh okay i kinda get it now.

3 years ago
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