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

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Given that total surface ares of cylinder is 154 cm2. If its radius is 4 cm, find its height.
posted Feb 4, 2020

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

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