Question 1050275
The height of a cylindrical vessel that will hold 20 liters  is equal to the diameter.  Find the altitude and the radius. 
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{{{Vol = pi*r^2*h}}}
Since h = 2r
{{{Vol = 2pi*r^3 = 20}}} in liters
{{{Vol = 2pi*r^3 = 20000}}} in mls or cubic cms
Solve for r
h = 2r