A solid sphere of radius 10.5cm is melted and recast into smaller solid cones each of radius 3.5 cm and height 3cm find the number of cones formed
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number of cones = volume of sphere/ volume of cone
= (4/3 πr³)/(1/3πr²h)
= 4*10.5*10.5*10.5/ 3.5*3.5*3
=4 * 3 *10.5
=126 cones
= (4/3 πr³)/(1/3πr²h)
= 4*10.5*10.5*10.5/ 3.5*3.5*3
=4 * 3 *10.5
=126 cones
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