Question 823990
a solid cone has the height of 10cm and diameter of 20cm. how many sphere of diameter 2cm can be made by melting it? 
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Vol of cone = {{{pi*10*10^2/3 = 1000pi/3}}} cc
Vol of spheres = {{{4*pi*1^3/3 = 4pi/3}}}cc
{{{(1000pi/3)/(4pi/3) = 250}}} spheres