Question

the diameter of metallic sphere is 4.2 cm It is melted and recast a right circular cone of height 8.4 cm find the radius of the base of the cone​

Answer 1

Answer:

Step-by-step explanation:

Volume of both solids remain same.

4/3pi r^3 =pi r^2 h/3

Thus, by substituting values we get

r=2.1