Q117
If the angle between two radii of a circle be 130°, then the angle between the tangents at the end of these radii (in degrees) is:
A.
50°
AnswerB.
40°
C.
70°
D.
90°
Answer: Option A
Solution
Answer: Option A
Solution:
In quadrilateral OABC
130° + 90° + 90° + ∠ABC = 360°
∠ABC = 50°