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April 20, 2014

Homework Help: math (surface area)

Posted by aleasha on Sunday, January 23, 2011 at 2:58pm.

i know the formula of a rectangles surface area is SA= 2(lw)+(wh)+(lh), but when the dimensions are : 2a for the height, a for the width, and 3a for the length, how do i solve?

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