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July 28, 2014

July 28, 2014

Posted by **Anonymous** on Thursday, March 11, 2010 at 10:21am.

- Math -
**Reiny**, Thursday, March 11, 2010 at 10:34amMake a sketch of a pentagon.

Draw another identical pentagon slightly offset.

Join corresponding vertices.

You don't have to be an artist but it should look like a pentagonal prism.

Draw all hidden lines as dotted lines.

Count all edges, faces and vertices and see if Euler's formula applies.

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