The surface area of the vertical part of the cylinder is 2 x pi x r x h where r is the radius of the cylinder and h is the height. Now you have calculate the area of the two end circular areas. Each of them is pi x r x r, so two of them is 2 x pi x r x r
Total surface area = (2 x pi x r)(h + r)
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archimedes
Surface Area = 2(pi r 2) + (2 pi r)* h
the circumfrance of the base x the height of the cylinder
Archimedes
The formula for surface area of a cylinder is (2pi * r^2) + (2pi * r * h). Substituting your values in, the surface area would be 170pi.