## Mimi_x3 4 years ago A cylindrical metal container with base radius of r metres and height h metres holds 54πm^3. (a) Show that the surface area of the container is πr^2 +(108π/r) no lid.

1. Mimi_x3

Easy ? Then help me then xD

2. Mimi_x3

Gosh , i h8 proving

3. saifoo.khan

S.A. of a cylinder = $2\pi r + 2 \pi r h$

4. Mimi_x3

I know that , im not stupid btw ,I need to show argh

5. saifoo.khan

6. saifoo.khan

Volume = pi r h 54 = r * h

7. saifoo.khan

Still there is something missing!

8. Mimi_x3

What's missing ?>

9. saifoo.khan