Posted by kassidy on Tuesday, November 4, 2008 at 1:55pm.
what is the perimeter of an equilateral triangle if one side of the triangle has the same length as the side of a square with an area of 25?

math  drwls, Tuesday, November 4, 2008 at 2:32pm
The side of that square would be
sqrt(25) = 5, so an equilateral triangle with that side length would have a perimeter of 3 x 5 = 15.