ECZ 2016 · GCE Paper 1 — Similarity and Congruency
A map is drawn to a scale of 1 to 50 000. Calculate the actual area of a small town, in square kilometres, represented by an area of 10 cm² on the map.
- A. 2.5 km²
- B. 25 km²
- C. 5 km²
- D. 0.5 km²
Verified working — step 1
The length scale is 1 cm : 0.5 km, so the area scale is 1 cm² : 0.25 km². Then 10 cm² represents 10 × 0.25 = …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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