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OpenStudy (anonymous):
suppose the radius of a sphere is tripled. a. what happens to its surface area? b. what happens to its volume?
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OpenStudy (anonymous):
area goes with the square, so if radius is tripled surface area is multiplied by 9
OpenStudy (anonymous):
volume with the cube, so volume is multiplied by 27
OpenStudy (anonymous):
how did you get that?
OpenStudy (anonymous):
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