# 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?

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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