Posted by **robert** on Tuesday, November 13, 2007 at 6:49pm.

Find the weight of the right rectangular prism with length 13 ft, width 6 ft, and height 2.5 ft if the contents weigh 0.02 pounds per cubic inch.

I think that the answer is 3.9 by multiplying 6 x 13 x 2.5 x 0.02. Is this right?

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**student acc**, Tuesday, November 13, 2007 at 7:05pm
if i can remember correctly the volume of a triangular prism the formula is:

volume = (1)/(2) * length * width * height

so i think you are okay

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**student acc**, Tuesday, November 13, 2007 at 7:07pm
let me revise it some how i can only remember that formula when i read your question....

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**taylor**, Tuesday, November 13, 2007 at 8:06pm
yes that's right

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