Congruence, similarity and transformations

Congruence, similarity and transformations

Secondary 2
TGM Original Questions

The coordinate diagram shows triangle \(X\) and triangles \(A,B,C\).

  1. State the triangles congruent to \(X\).
  2. State the triangle similar to but not congruent to \(X\).
  3. Describe a transformation mapping \(X\) to each answer.

Solution:

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Answer:(a) \(A,B\); (b) \(C\); (c) reflection in the \(y\)-axis; translation \(\binom04\); enlargement centre \((-5,-4)\), scale factor \(2\).

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