ECZ 2010 · O-Level Paper 1 — Geometrical Transformations
Triangle X1Y1Z1 with vertices (5, 1), (3, 1), (5, 5) is mapped onto triangle X2Y2Z2 with vertices (1, 5), (1, 3), (5, 5). Name the transformation.

- A. Rotation
- B. Translation
- C. Reflection
- D. Enlargement
Verified working — step 1
Each point (x, y) maps to (y, x), which is a reflection in the line y = …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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