ECZ 2025 · GCE Paper 1 — Mensuration
The sector POQ has angle POQ = 45°. Given that the area of POQ is 77 cm2, calculate the radius of the sector. [π = 227]
- A. 7 cm
- B. 196 cm
- C. 14 cm
- D. 28 cm
Verified working — step 1
Area of sector = (45360) × 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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