TP and TQ are tangents to a circle centre 0 and r is a point...
TP and TQ are tangents to a circle centre 0 and r is a point on the circumference of the circle as shown in the figure. If angle PTQ = 45o, what is the magnitude of the angle PRO?
A.
45
B.
135
C.
40
D.
7612
E.
5212
Correct answer is D
PTQ = 45o
< PRQ = 7612
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