HUNTERTUTORING

Review — Difficulty 6/10

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Geometry · Similarity and right-triangle trigonometry

Review skills for this standard. Write answers where shown.

Together with a parent

1. Similar triangles: sides 12, 13, and 14. Scale factor? ___ 2. If ΔABC ~ ΔDEF and AB/DE = 11, find BC/EF = ___ 3. Right triangle: opposite=12, hypotenuse=14. sin θ = ___

Written review

1. Similar triangles: sides 14, 15, and 16. Scale factor? ___ 2. If ΔABC ~ ΔDEF and AB/DE = 13, find BC/EF = ___ 3. Right triangle: opposite=14, hypotenuse=16. sin θ = ___ 4. Find missing side using tan 45° = ___ 5. Dilation scale factor 2.6. Image length? ___ 6. Explain why the triangles are similar.

_See printable PDF for diagram._

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Skills checklist

  • [ ] Proves or identifies similarity
  • [ ] Solves proportions from similar figures
  • [ ] Applies trig ratios correctly

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