The volume of a sphere varies directly as the cube of its radius.the diameter of a sphere made of lead is 14cm.prove by method of variationthat by melting the sphere 8 sphere can be formed each of diameter 7cm(suppose that after melting the volume cnstnt?
1 Answer
Jan 4, 2018
See the explanation below
Explanation:
The volume of a sphere is
Volume of the sphere of
Volume of a sphere of
So,