ECZ 2024 · GCE Paper 1 — Circle Theorems
In the diagram, P, Q, R, S are points on the circle with centre O and angle PQR = 68°. TRU is a tangent at R. Find angle POR.
- A. 136°
- B. 44°
- C. 112°
- D. 68°
Verified working — step 1
Angle POR sits at the CENTRE O, angle PQR at the circumference, and both stand on the same chord PR - exactly the setup for the angle-at-the-centre theorem.The full step-by-step working and final answer are included with Premium — checked against ECZ marking standards.
Original examination question © Examinations Council of Zambia. Worked solution and commentary © G12 Titan — not to be reproduced without permission.
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