ECZ 2018 · O-Level Paper 1 — Similarity and Congruency

A cylinder with diameter 2 cm has a volume of 5 cm3. Find the volume of a similar cylinder with diameter 8 cm.

  • A. 20cm3
  • B. 320cm3
  • C. 80cm3
  • D. 160cm3

Verified working — step 1

Linear scale factor = 82

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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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