Geometry
posted by Mindy .
find the perimeter of the square.
L = 6.66 yd
Is the answer 26 yd?

No.
Study this site and try again.
http://www.k6geometricshapes.com/imagefiles/formulaperimetersquare.jpg 
If I add four of those sides together I get 26.64?

Right.

Does that mean the same thing as 26 2/3?

No.
26 2/3 = 25.67