ECZ 2013 · O-Level Paper 1 — Mensuration
The diagram shows a cylinder of height 9 cm and diameter 7 cm. Calculate the curved surface area of the cylinder. Take pi to be 227.
- A. 99 cm2
- B. 198 cm2
- C. 346.5 cm2
- D. 396 cm2
Verified working — step 1
Curved surface area = pi x d x h = (227) x 7 x 9 = …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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