ECZ 2022 · O-Level Paper 1 — Earth Geometry
In the following diagram, points A and B lie on latitude 60°S while point C is on latitude 30°N. (a) The local time at A is 10 00 hours when it is 13 00 hours at B. Find the difference in longitudes between A and B.
- A. 45°
- B. 90°
- C. 30°
- D. 3°
Verified working — step 1
Time difference converts to longitude difference at the fixed rate of 15° per hour.The full step-by-step working and final answer, plus the video lesson for this topic, 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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