A sphere diameter 18cm is melted and recast into solid cone a base 14cm find height of cone
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d=18 so r=18/2=9 of sphere
and r of cone =7
now vol of sphere =vol of cone (if it is melted n recasted into cone)
4/3πr^3=1/3πr^2h
4r^3=r^2h
4×9×9×9=7×7×h
h=9×9×9×4/49
h=59.51020...cm
and r of cone =7
now vol of sphere =vol of cone (if it is melted n recasted into cone)
4/3πr^3=1/3πr^2h
4r^3=r^2h
4×9×9×9=7×7×h
h=9×9×9×4/49
h=59.51020...cm
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