ECZ 2022 · O-Level Paper 1 — Mensuration
In the diagram, AOB is a sector of a circle, centre O. Angle AOB = 72° and the radius is 14cm. Calculate the area of the sector. [π = 227]
- A. 61.6cm2
- B. 246.4cm2
- C. 616cm2
- D. 123.2cm2
Verified working — step 1
Area = (72360) × πr2The 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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