ECZ 2013 · O-Level Paper 1 — Geometrical Transformations
In the diagram, triangle A is mapped onto triangle B by a single transformation. Describe fully the transformation.
- A. Rotation of 90 degrees clockwise about (2, 2)
- B. Reflection in the line y = -x
- C. Reflection in the line y = x
- D. Rotation of 90 degrees anticlockwise about (2, 2)
Verified working — step 1
Triangle A has vertices (2, 2), (2, 6), (4, 6) and triangle B has vertices (2, 2), (6, 2), (6, 4). 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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