ECZ 2015 · O-Level Paper 1 — Similarity and Congruency
A map of a settlement area is drawn to a scale of 1 : 40 000. If the actual area of the settlement is 200 square kilometres, calculate the area of the settlement on the map in square centimetres.
- A. 500 cm²
- B. 125 cm²
- C. 1 250 cm²
- D. 12 500 cm²
Verified working — step 1
1 cm represents 40 000 cm = 0.4 km, so 1 cm² represents 0.4² = 0.16 km². Map area = 200 ÷ 0.16 = …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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