In the figure above, the vertices of triangle ABC lie on the circumference of circle O. What is the value of x?
(A) 35
(B) 45
(C) 55
(D) 65
(E) 70
[Reveal] Spoiler:
I'm puzzled. If one solve for angle AOB, it would imply a different result. Why?
In the figure above, the vertices of triangle ABC lie on the circumference of circle O. What is the value of x?
(A) 35
(B) 45
(C) 55
(D) 65
(E) 70