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September 21, 2014

September 21, 2014

Posted by **sarika** on Wednesday, December 19, 2012 at 1:23pm.

- maths --plse help me.. -
**Damon**, Wednesday, December 19, 2012 at 1:37pmpi r^2 h = pi D^2 h/4 = volume

pi * 16^2 * 49/4 + pi * 14^2 * 35/4 = pi d^2 * 56/4

pi/4 cancels

49 * 256 + 35 * 196 = 56 d^2

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