11-09-10 12:54 PM #1 falconticket MySBRForum Find latest posts by falconticket SBR PRO Posts: 3,413 SBR Points: 1762 What is a Square play? : Nominated Post Originally posted on 11/08/2010: I use convex polygon analysis. U get one extra angle on the game. Works good. Hoping to graduate to trapezoidal worksheets soon. Reply with Quote