HUNTERTUTORING

Review — Difficulty 9/10

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Trigonometry · Right-triangle trigonometry

Review skills for this standard. Write answers where shown.

Together with a parent

1. Similar triangles: sides 15, 16, and 17. Scale factor? ___ 2. If ΔABC ~ ΔDEF and AB/DE = 14, find BC/EF = ___ 3. Right triangle: opposite=15, hypotenuse=17. sin θ = ___

Written review

1. Similar triangles: sides 17, 18, and 19. Scale factor? ___ 2. If ΔABC ~ ΔDEF and AB/DE = 16, find BC/EF = ___ 3. Right triangle: opposite=17, hypotenuse=19. sin θ = ___ 4. Find missing side using tan 45° = ___ 5. Dilation scale factor 2.9000000000000004. 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
  • [ ] Explains Right-triangle trigonometry without prompts

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