ECZ 2014 · O-Level Paper 1 — Similarity and Congruency
A square park has its map drawn to a scale of 1 : n. Four beacons P, Q, R and S are placed at the four corners of the park. Beacons P and Q, which are 240 m apart on the ground, are 12 cm apart on the map. Find the value of n.
- A. 2 000
- B. 20
- C. 20 000
- D. 200 000
Verified working — step 1
240 m = 24 000 cm on the ground, matched by 12 cm on the map. So 12 : 24 000 = 1 : 2 000, giving n = …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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