Asked by Collins

asolid metal cube of side 10cm is melted down and recast as solid metal sphere.calculate the radius of the sphere.Take Pie=3.142
Answered by Steve
4/3 πr^3 = 10^3

r^3 = 3000 / 4π
r = 6.2
Answered by Phillip
r≈5.64
Answered by Phillip
Using the formula
A=2πrh+2πr2
Solving for r
r=1/2 √(h^2+(2A/π))﹣h/22
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