ECZ 2016 · O-Level Paper 1 — Bearings

ABC is an equilateral triangle. A is due North of B and CN is parallel to BA. Find BĈN.

Verified working — step 1

Since the triangle is equilateral, ∠ABC = 60°, so C is on a bearing of 060° from B. As CN ∥ BA, the co-interior angle gives BĈN = 180° − 60° = …

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Original examination question © Examinations Council of Zambia. Worked solution and commentary © G12 Titan — not to be reproduced without permission.

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