(2*pi*radius2) + (diameter*pi*height) measured in square units
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Total surface area is 176 units2
Total surface area = (2*pi*radius2)+(pi*diameter*height)
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!
If it's a cylinder then its total surface area is: 40*pi square units
244.92