alleryO is a circle's centre; A,B lie on it, ∠OAB=35°. C lies on major arc AB. ∠ACB?
A110°
B55°
C70°
D35°
Answer & Solution
Correct answer: B. 55°
The isosceles triangle gives ∠AOB=110°, so the angle on the major arc is 55°.
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