Sides PQ and SR of a cyclic quadrilateral PQRS are produced to meet at T and sides PS and QR are produced to meet at U. If ∠PST = 87° and ∠ QTR = 41° , then the difference between ∠ QPS and ∠ SUR is
a) 15°
b) 23°
c) 17°
d) 19°
Sol:
Required Difference = 52° – 35° = 17°