Question 4 4.1 4.2 In the diagram below, circle PTRNS, with centre O is drawn. NP bisect SPT. PN and TR are produced to meet at Y. NR = NY. Let O₁ = 4x P S 2 20 3 1 4x 2 T Determine with reasons, the following in terms of x: R₁ PSR (5) (4) [9]​