ECZ 2018 · GCE Paper 1 — Bearings
A cyclist starts from town W and cycles on a bearing of 216° to town P. She then leaves town P and cycles on a bearing of 296° to town Z. Z is due west of W. Calculate WṖZ.
- A. 90°
- B. 116°
- C. 100°
- D. 80°
Verified working — step 1
At P, the bearing back to W is the back bearing of 216°, which is 216° − 180° = 036°. The bearing of Z from P is 296°. The angle WṖZ is the difference: 296° − 36° = 260°, and since that is reflex, the interior angle is 360° − 260° = …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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