Question 353819
1/4 inch  - 5 " diameter = 2.5 inch radius.
volume = pi*2.5*2.5*1/4
V= 4.91 cu.in
1/6 inch -3 "diamter = 1.5" radius
V= pi*1.5*1.5*1/6
= 1.18 cu.in
Total = 4.91+1.18=6.09 
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Volume = pi*3*3*h
6.09/(pi*3*3)=h
h= 0.215inch  or 1/5"
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m.ananth@hotmail.ca