Tuesday
April 28, 2015

Homework Help: geometry

Posted by mary on Monday, April 18, 2011 at 9:34am.

Find the surface area of a rectangular prism with a length of 8 inches, a width of 5 inches and a height of 2 inches.
so far this is what I have-
(2(8)+2(5))2=72 + 2(8.5)=80
my answer is 152in^2
the books answer is 132in^2
What did I do wrong???? Thanks for the help!

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