Question

a cone made completely of metal therefore it is not hallow has a base of radius 14 cm and height of 7 cm we melt it and recast it into sphere what will be the radius of sphere
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Answer 1

Answer:

1/3πr^2h=4/3πr^3

r^h=4r^3

14×14×7=4r^3

14×14×7/4=r^3

7×7×7=r^3

343=r^3

r=7 cm