Question

determine the length of a right circular rod of 2.8 CM Radius made by the casting a solid gold sphere of 4.2 CM radius​

Answer 1

Step-by-step explanation:

volume of solid gold sphere= volume of right circular rod

4/3*(π*4.2^3) = π*2.8^2*l

l = 310.339/24.63 = 12.6 cm