SOLUTION: Find the total area of the cylinder generated by rotating a 6 in. by 10 in. rectangle about its longest side as an axis.

Question 766512: Find the total area of the cylinder generated by rotating a 6 in. by 10 in. rectangle about its longest side as an axis.
Answer by josgarithmetic(39620) (Show Source): You can put this solution on YOUR website!
The radius for the cylinder is the shorter side of the 6 by 10 rectangle. The length of the cylinder is the longest side of the rectangle. To find the total area requires the circumference and the length.

Area of the circular shell: circumference multiplied by length,

If include the circle top and bottom, the for these alone.
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