Question

What is the volume (in $m^3$) of the biggest possible cylindrical pipe formed by folding the sheet as shown in the figure?

• A. $200\pi$
• B. $\frac{50}{\pi }$
• C. $\frac{80}{\pi }$
• D. $320\pi$

Answer 1

The correct option is C $\frac{80}{\pi }$