Base area = pi*r2 = 78.5 sq cm
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The radius of the base of the cylinder is: 5.64 cm
The answer is 904.77792 cm cubed.
656
A formula for the volume is (area of base)(height)/3. The base is a circle, with area equal to pi X radius squared. It was not specified whether the given "3 Cm" for the base was radius or diameter. After clarifying that, you should be able to complete the answer for yourself.
Total surface area = (2*pi*62)+(12*pi*15) = 791.681 square cm to 3 d.p.