Geometric Reasoning and Trigonometry · Measurement and Geometry

Similarity and Congruence

Using conditions for similarity and congruence to solve geometric problems and proofs.

Key Questions

  1. 1What is the fundamental difference between two shapes being congruent versus being similar?
  2. 2How can we use similarity to measure the height of an object that is too tall to reach?
  3. 3Why are only two pairs of equal angles sufficient to prove that two triangles are similar?

ACARA Content Descriptions

AC9M9SP01
Year: Year 9
Subject: Mathematics
Unit: Geometric Reasoning and Trigonometry
Period: Measurement and Geometry

Suggested Methodologies

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