ECZ 2016 · O-Level Paper 1 — Similarity and Congruency

The base areas of two containers that are geometrically similar are 80 cm2 and 180 cm2, respectively. If the capacity of the larger container is 54 litres, calculate the capacity of the smaller one.

  • A. 16 litres
  • B. 24 litres
  • C. 36 litres
  • D. 12 litres

Verified working — step 1

Route the ratio through LENGTHS: square-root the areas down to lengths, then cube up to volumes.

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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