ECZ 2011 · O-Level Paper 1 — Circle Theorems
Using the same diagram, find angle BUT.
- A. 116°
- B. 64°
- C. 128°
- D. 32°
Verified working — step 1
BS is parallel to UT and BUV is a straight line acting as the transversal. Angles SBU and BUT are co-interior, so they add to 180°: angle BUT = 180 - 64 = …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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