Exam-Style Question on Angles
A mathematics exam-style question with a worked solution that can be revealed gradually
Question id: 237. This question is similar to one that appeared on a IGCSE Extended paper in 2011. The use of a calculator is allowed.
In the diagram above, not drawn to scale, A, B and C are points on a circle, centre O. TA is a tangent to the circle at A and OBT is a straight line. AC is a diameter and angle OTA = 28°.
(a) angle AOT
(b) angle ACB
(c) angle ABT
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