In the diagram PQR is a straight line and PS is... - JAMB Mathematics 2003 Question

In the diagram PQR is a straight line and PS is a tangent to the circle < QRS with |PS| = |SR| and < SPR = 40^o. Find PSQ

PS = SR

(\bigtriangleup)PSR is an isosceles

< P = < SPQ = 40^o

< R = < SRQ

< PSQ = < SRQ (alternate segment)

< PSQ = 40^o