A cylinder is three times as high as it is wide. The length of the cylinder’s diagonal is \(20\text{

Question

A cylinder is three times as high as it is wide.

The length of the cylinder’s diagonal is \(20\text{ cm}\).

Find the EXACT surface area of the top of the cylinder (as shaded in the image).

(Note: Your solution will have the symbol \(\pi \) in it.)

Accepted Answer

10\pi 	ext{ cm}^2

IP1U13 SWII (Pythagoras) Q14