EM-1720
Angles in the same segment
E Math · Secondary 4 · Medium · Angles in the same segment
In a circle, centre O, points A and B lie on the circle such that angle AOB at the centre is 130°. Find angle ACB, where C is any point on the major arc AB.
Use the relationship between angles at the centre and at the circumference.
Use the relationship between angles at the centre and at the circumference.
- 50°
- 65°
- 115°
- 130°
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