ECZ 2020 · O-Level Paper 1 — Similarity and Congruency
A plan of a play boat is drawn to a scale of 1 : 20. If the actual area of the base of the boat is 0.64 m2, calculate its area on the map in square centimetres.
- A. 12.8 cm2
- B. 6.4 cm2
- C. 16 cm2
- D. 32 cm2
Verified working — step 1
Two conversions stack here: areas scale by the SQUARE of the length scale, and square metres must become square centimetres first.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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