**2.13 cm**

Using the formula

A=2pi*r*h+2pi*r^2 =>

=> h=A/(2pi*r)﹣r=154/(2pi*4)﹣4 = **2.12747 cm**

0 votes

Given that total surface ares of cylinder is 154 cm2. If its radius is 4 cm, find its height.

...