Question

A metallic sphere of diameter 18 cm was melted and cast into 27 small spheres what is the radius of the small sphere?

Answer 1

Answer:

radius of small sphere =3

Step-by-step explanation:

volume of metal used is constant

vol. of sphere with radius 9 cm=27× vol.of small sphere with radii r

4/3×π×9^3=27×4/3×π×r^3

r^3=3^3

r=3