Unit 9: Similarity

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Essential Questions: 
  • Why do scale models work?
  • Why is similarity so important in the real world?
  • How do we know when figures are similar?
Content: 
  • AA Postulate
  • SSS and SAS Similarity Theorems
  • Right triangle similarities (altitude drawn from the right angle to the hypotenuse).
  • Geometric mean
  • Ratios between similar figures: lengths, areas, and volumes
Skills and Processes: 
  • Proof: Similarity thoeorms -> Angle bisector theorem, side-splitter theroem
  • Solving proportions between similar figures.
  • Apply similarity to fractal problems.