Cylinder - area

The diameter of the cylinder is one-third the length of the height of the cylinder. Calculate the surface of cylinder if its volume is 2 m3.

Correct result:

S =  9.8574 m2

Solution:

V=2m3=πr2h 2r=h/3 h=6r V=6πr3 r=V6π3=0.47 m h=6r=2.84 m S=2πr2+2πrh=2π0.472+2π0.472.84=9.8574 m2



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