Find the length of a rod of 2.8 cm diameter made by recasting a solid sphere of 4.2 cm radius
Answers
Answered by
0
Answer:
volume of the sphere=(4/3)π r^3=(4/3)π(4.2)^3
Let L be the length of the rod. It is given
π(2.8/2)^2×L=(4/3)π(4.2)^3
L={(4/3)(4.2)^3}/(1.4)^2=50.4 cm Ans
Similar questions