3.50: t V Draw equilateral triangles BCP, CAQ, and ABR outside AABC as shown in the diagram below. Prove that AP = BQ = CR. G 4 R B C P Hint Type your solution, notes and/or work here. Show Solution 3.51*: Source: Mandelbrot t V There are two possible triangles with AB = 13, BC = 10, and ZA = 40". What is the sum of the two possible values of ZB