ECZ 2025 · GCE Paper 1 — Symmetry
The diagram shows a cuboid with a rectangular base and square ends. PQ is the central axis of the cuboid. Write down the order of rotational symmetry of the cuboid about the axis PQ.
- A. 2
- B. 1
- C. 8
- D. 4
Verified working — step 1
Rotational symmetry about an axis is decided by the cross-section you see looking straight along that axis.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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