# I really don't understand this calculus 2 problem?

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The question is: An equilateral hexagon is revolving around one of its edges. Find the volume of the solid of revolution

The question is: An equilateral hexagon is revolving around one of its edges. Find the volume of the solid of revolution

##### 3 Answers

Apr 29, 2017

#### Explanation:

Considering

we have

but

Apr 30, 2017

Pappus 2nd Theorem: Volume V of a solid of revolution generated by rotating a plane figure about an external axis is equal to the area of the figure times the distance traveled by its geometric centroid, or

May 1, 2017

I have solved this way, using integrals, as shown below: