Question 182920
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If you are talking about the total surface area (interior or exterior depends on where you took the length and diameter measurements), you need to add the lateral surface area to the area of the two bases of the cylinder.


*[tex \LARGE \text{          }\math S_T = (2 \pi rh) + \left( 2 \pi r^2\right)]


and remember *[tex \Large r = {d \over 2}] and <i>h</i> is your length.




John
*[tex \LARGE e^{i\pi} + 1 = 0]
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