ECZ 2018 · GCE Paper 1 — Similarity and Congruency
The scale of a map is 1 : 20 000. The actual area of residential plots is 60 km2. Calculate the area of residential plots on the map in square centimetres.
- A. 15 cm2
- B. 1500 cm2
- C. 150 cm2
- D. 3000 cm2
Verified working — step 1
Two conversions stack here: areas scale by the SQUARE of the length scale, and square kilometres must become square centimetres.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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