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.

Diagram for ECZ 2010 · O-Level Paper 1
  • 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 = …

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Original examination question © Examinations Council of Zambia. Worked solution and commentary © G12 Titan — not to be reproduced without permission.

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