Answer and Explanation
Your Answer is
Correct Answer is D
Explanation
The circumferential angle must be half of the central angle. The central angle of the arc AC is obviously 180°, so the circumferential angle, that is, ∠ABC=90°.
37. In the figure below, AC is a diameter of the circle, B is a point on the circle, and AB ≌ BC . What is the degree measure of ∠ABC ?
