Asked by jay

since a rectangle forms two area of a circle shouldn't it also form two circumference in a cylinder
Answered by bobpursley
I can make no sense of your question.
Answered by jay
the formula for the area of a cylinder is derived by adding the area of a rectangle (circumference of a circle * height of the rectangle forming the circumference) by twice the area of a cycle, since there are two circles in a cylinder. I was asking why it is not 2 circumferences. area=2 pi rh + 2 Pi r^2. why not ...2* 2 pi rh + 2 Pi r^2
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