Q90
In the given figure, O is centre of the circle. Circle has 3 tangents. If ∠QPR = 45°, then what is the value (in degrees) of ∠QOR?
In the given figure, O is centre of the circle. Circle has 3 tangents. If ∠QPR = 45°, then what is the value (in degrees) of ∠QOR?
A.
67.5
AnswerB.
72
C.
78.5
D.
65
Answer: Option A
Solution
Answer: Option A
Solution:
∠PMO = 90° (Angle made on tangent)
∠QOR = 90° -
∠QOR = 90° - 22.5°
∠QOR = 67.5°