ECZ 2024 · GCE Paper 1 — Symmetry
The diagram shows a triangular prism ABCDEF in which AE = AD = DE. State the number of planes of symmetry for this triangular prism.
- A. 4
- B. 2
- C. 1
- D. 3
Verified working — step 1
A plane of symmetry cuts a solid into two mirror-image halves. Count them in families, not one by one.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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