A solid cube of side 7 cm is melted to make a cone of height 5 cm, find the
radius of the base of the cone.
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Answer:
r=8.09cm
Step-by-step explanation:
side=7cm
volume of cube=( side)^3
=(7)^3
=343
volume of cone =volume of cube
1/3π(r) ^2h=343
1/3*22/7*5*(r) ^2=343
(r) ^2=343*3*7/110
(r) ^2=7203/110
r=√7203/110
r=8.09
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