HUNTERTUTORING

Review — Difficulty 2/10

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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 8, 9, and 10. Scale factor? ___ 2. If ΔABC ~ ΔDEF and AB/DE = 7, find BC/EF = ___ 3. Right triangle: opposite=8, hypotenuse=10. sin θ = ___

Written review

1. Similar triangles: sides 10, 11, and 12. Scale factor? ___ 2. If ΔABC ~ ΔDEF and AB/DE = 9, find BC/EF = ___ 3. Right triangle: opposite=10, hypotenuse=12. sin θ = ___ 4. Find missing side using tan 45° = ___ 5. Dilation scale factor 2.2. 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

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