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Moody Mathematics

9.2 Special Right Triangles 45-45-90 EQ: What are the relationships between the sides on a 45 -45-90 triangle?. Moody Mathematics. Take a square…. Moody Mathematics. Find its diagonal. Here it is. Moody Mathematics. Find its length. d. x. x. Moody Mathematics. d. x. x.

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Moody Mathematics

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  1. 9.2 Special Right Triangles45-45-90EQ: What are the relationships between the sides on a 45 -45-90 triangle? Moody Mathematics

  2. Take a square… Moody Mathematics

  3. Find its diagonal Here it is Moody Mathematics

  4. Find its length d x x Moody Mathematics

  5. d x x Moody Mathematics

  6. Summarize the pattern: Moody Mathematics

  7. 45o-45o-90o leg leg leg Moody Mathematics

  8. 45o-45o-90o 6 6 6 Moody Mathematics

  9. 45o-45o-90o 8 8 8 Moody Mathematics

  10. 45o-45o-90o 5 5 5 Moody Mathematics

  11. 45o-45o-90o 10 10 10 Moody Mathematics

  12. 45o-45o-90o 2 Moody Mathematics

  13. 45o-45o-90o Moody Mathematics

  14. 45o- 45o-90o Moody Mathematics

  15. 45o-45o-90o Moody Mathematics

  16. 9.2 Special Right Triangles 30-60-90 Triangles EQ: How do I find the lengths of sides of a 30-60-90 triangle

  17. Now Let’s take an Equilateral Triangle… Moody Mathematics

  18. … Find its Altitude Moody Mathematics

  19. x x a x Moody Mathematics

  20. x x a Moody Mathematics

  21. Summarize the pattern: Moody Mathematics

  22. 30o-60o-90o Shorter Leg Hypotenuse Longer leg Moody Mathematics

  23. 30o-60o-90o ½ Hyp. Hyp. ½ Hyp. Moody Mathematics

  24. 30o-60o-90o Moody Mathematics

  25. Practice: Moody Mathematics

  26. 30o-60o-90o Moody Mathematics

  27. 30o-60o-90o Moody Mathematics

  28. 30o-60o-90o Moody Mathematics

  29. 30o-60o-90o Moody Mathematics

  30. 30o-60o-90o Moody Mathematics

  31. 30o-60o-90o Moody Mathematics

  32. 30o-60o-90o Moody Mathematics

  33. 30o-60o-90o Moody Mathematics

  34. 30o-60o-90o Moody Mathematics

  35. 30o-60o-90o Moody Mathematics

  36. Review Both Patterns: Moody Mathematics

  37. 45o-45o-90o leg leg leg Moody Mathematics

  38. 30o-60o-90o ½ Hyp. Hyp. ½ Hyp. Moody Mathematics

  39. Mixed Practice: Moody Mathematics

  40. Moody Mathematics

  41. Moody Mathematics

  42. 8 8 8 Moody Mathematics

  43. 10 10 10 Moody Mathematics

  44. Moody Mathematics

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  50. Moody Mathematics

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