Area of rectangular glass rod

1. Dec 3, 2008

uno

1. I can't seem to find a formula to figure out the area of an upright rectangular glass rod. Can someone point me in the right direction?

2.

3. The attempt at a solution

2. Dec 3, 2008

turin

Just add the areas of the rectangular surfaces. I'm assuming you mean surface area.

3. Dec 3, 2008

uno

ok, they gave me 10 cm by 10 cm by 10 meters, but I'm not sure what step to take next