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.
76(frac{1}{2}) -
E.
52(frac{1}{2})
Correct Answer: Option D
Explanation
PTQ = 45o