Posted by **Dan** on Wednesday, March 27, 2013 at 11:56pm.

The volume of the 3-dimensional structure formed by rotating the circle x^2 + (y-5)^2 = 1 around the x-axis can be expressed as V = a\pi^2. What is the value of a?

- Calculus -
**Steve**, Thursday, March 28, 2013 at 12:00am
10

use theorem of pappus

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