Class 10 Math Share with your friends Share 0 Chehak Khosla answered this Dear student, Regards. -2 View Full Answer Snowy Princess❄️ answered this Hello Friend.... -2 Bharani answered this |PSR = |OQS [ angle in the opposite segment].......(1) But OS = OQ ( radii ) Therefore ? OSQ is an isosceles triangle hence angles opposite equal sides are equal. Hence |OSQ = |OQS ....(2) From (1) and (2) |PSR = |OSQ proved 1