ECZ 2022 · GCE Paper 1 — Similarity and Congruency

Two cylinders A and B are geometrically similar and the ratio of their heights is m : 4 respectively. Given that the areas of A and B are 144cm2 and 256cm2 respectively, find the value of m.

  • A. 12
  • B. 916
  • C. 4
  • D. 3

Verified working — step 1

Area ratio A:B = 144:256

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Original examination question © Examinations Council of Zambia. Worked solution and commentary © G12 Titan — not to be reproduced without permission.

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