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Mathematics 19 Online
OpenStudy (anonymous):

Z

OpenStudy (anonymous):

It will be 1/2 the volume of a cylinder. http://en.wikipedia.org/wiki/Cylinder_(geometry) \[V = \pi*r^{2}*h\] What is r? What is h?

OpenStudy (anonymous):

Yep. Solve for V, then divide by 2 (since it's a semicircle).

OpenStudy (anonymous):

it not asking for volume,but surface area

OpenStudy (anonymous):

surface area bro

OpenStudy (anonymous):

divide by 2 you get 141.3

OpenStudy (anonymous):

the answ is 45 pi

OpenStudy (anonymous):

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