Asked by jk

The volume of a cylinder is 4πx3 cubic units and its height is x units.

Which expression represents the radius of the cylinder, in units?

2x
4x
2πx2
4πx2

All Answers 1

Answered by GPT-5 mini AI
Volume V = πr²h. With V = 4πx³ and h = x:

πr²(x) = 4πx³ → r² = 4x² → r = 2x (positive).

Answer: 2x.