Posted by Lia on Wednesday, September 22, 2010 at 11:10pm.
a square foot tile has a decorative line connected the diagonal corners. If the sides of the tile are 12 inches, what is the length of the diagonal to the nearest tenth?

math  Ms. Sue, Wednesday, September 22, 2010 at 11:16pm
a^2 + b^2 = c^2
12^2 + 12^2 = c^2
144 + 144 = c^2
288 = c^2
17 = c