If the cylinder has radius R and length L , the curved part of the surface has area 2piRL and each of the ends has area piR^2. The total surface area is the sum of the curved part plus two ends.
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1. Find the surface area of the whole cylinder 2. Find the area of one of the two circles on either end of the cylinder 3. Multiply the circle's area by two and subtract their area from the total surface area 4. Now you have the surface area of an unclosed cylinder!
The surface area of a cylinder prism has round shape and the surface of a rectangular prism has a square shape.
The surface area of a cylinder with a radius of 6ft and a height of 7ft is 490.09ft2
The surface area of a cylinder with a radius of 3.8cm and a height of 11cm is 353.37cm2
The surface area is 226.2cm2