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PMN and PQR are two secants of the circle MQTRN... - JAMB Mathematics 1991 Question

PMN and PQR are two secants of the circle MQTRN and PT is a tangent. If PNR = 110o and PMQ = 55o, find MPQ
A
40o
B
30o
C
25o
D
15o
correct option: d

PQM = 110o(Ext. < of a cyclic quad)

MPQ = 180o - (110 + 55)

= 180o - 165o

= 15o

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