a solid right circular cylinder is melted into spheres of radius 2 cm. If the height of the cylinder is 16 cm and its diameter is 20 cm. Find the number of spheres made
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Volume of circular cylinder = π r² h
= 3.14 x 10² x 16
= 3.14 x 100 x 16
= 314 x 16
= 5024
Volume of sphere. = 4/3 x π r³
= 4/3. x 3.14 x 2³
= 4/3 x 3.14 x 8
= 33.493
number of spheres formed =. volume of
cylinder
__________
volume of
sphere
= 5024
_____
33.493
=150 spheres
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