a metal sphere of radius 12 cm is melted and recast into 27 small spheres. what is the radius of each sphere?
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Answered by
3
Step-by-step explanation:
for recast,
volume of metal sphere = volume of 27 small spheres
4/3π(r1)^3= 27×4/3π(r2)^3
(r1) ^3 = (r2) ^3×27
(12)^3 = (r2) ^3×27
1728 = (r2) ^3 ×27
(r2) ^3= 1728/27
r2=3√1728/3√27
r2=12/3
r2=4cm
Answered by
5
Answer:
Radius of the sphere=4 cm
Step-by-step explanation:
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