Question

The curved surface area of the cylinder can be related to a rectangle having length and bredath as.
[h is the height and r is the radius of cylinder]

• A. $2\pi r$, $h$
• B. $h$, $2\pi$
• C. $h$, $2r$
• D. $h$, $\pi r$

Answer 1

The correct option is A $2\pi r$, $h$

We know that,
by folding a rectangle, a cylinder can be formed.

So,
when we open a cylinder of height h and radius r, we get a rectangle of width h and length $2\pi r$.