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December 18, 2014

December 18, 2014

Posted by **Jane** on Wednesday, May 18, 2011 at 7:18pm.

- Math -
**Fabienne**, Wednesday, May 18, 2011 at 7:29pmoh whoops no i didnt.lol. ok, so surface area is when you take the area of each face, and add it up. lateral area is like the surface area of an object, but the measurements of the base are not counted on lateral area. so, to solve this, you do:

257 sq in(surface area)

-201 sq in(lateral area)

___________

56 sq in(area of both bases)

since a triangular *prism* has two bases, you divide 56 by 2.

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