Posted by Alex Sherrow on Wednesday, December 14, 2011 at 11:36am.
An equilateral triangle has a side of 8. If one corner of the triangle is removed by slicing off an equilateral triangle of side 2, find the perimeter of the remaining quadrilateral.

geometry  drwls, Wednesday, December 14, 2011 at 11:42am
The remaining quadrilateral will have side lengths of 8, (82), (82), and 2.
Add them up for the perimater.