a cone of height 20 cm and radius of base 5 cm is made up of modelling clay a child reshapes it in the form of a sphere find the diameter of the sphere
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Volume of cone = volume of sphere
vol of cone = 1/3
r² h
1/3 * 22/7 * 5*5*20
= 11000/21
Volume of sphere = 4/3 r³
4/3 * 22/7 * r³
88/21*r³ = 11000/21
simplifying, we get r = 5.
They have asked us to find the diameter. Diameter = 2r. Diameter = 10.
Hope this helped. :D
vol of cone = 1/3
1/3 * 22/7 * 5*5*20
= 11000/21
Volume of sphere = 4/3
4/3 * 22/7 * r³
88/21*r³ = 11000/21
simplifying, we get r = 5.
They have asked us to find the diameter. Diameter = 2r. Diameter = 10.
Hope this helped. :D
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