Question

Question show in the photo, don’t mind the answer in the text box

Answer 1

From the problem, we have the formula :

`T=2\pi rh+2\pi r^2`

Solving for h in terms of T and r will be :

`\begin{gathered} T=2\pi rh+2\pi r^2 \\ T-2\pi r^2=2\pi rh \\ (T-2\pi r^2)/(2\pi r)=h \\ (T)/(2\pi r)-r=h \end{gathered}`

The answer is :

`h=(T)/(2\pi r)-r`