1. Special Right Triangles
Moody Mathematics

2. Take a square…
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3. Find its diagonal
Here it is
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4. Find ?. ? a a
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5. Summarize the pattern:
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6. 45o-45o-90o a a a
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7. Practice:
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8. 45o-45o-90o 6 6 6
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9. 45o-45o-90o 8 8 8
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10. 45o-45o-90o 5 5 5
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11. 45o-45o-90o 10 10 10
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12. 45o-45o-90o 2
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13. 45o-45o-90o
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14. 45o- 45o-90o
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15. 45o-45o-90o
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16. Now Let’s take an Equilateral Triangle…
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17. … Find its Altitude
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18. … Find its Altitude a a ? a
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19. Summarize the pattern:
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20. 30o-60o-90o
Shorter Leg
Hypotenuse
Longer leg
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21. 30o-60o-90o a 2a a
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22. Practice:
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23. 30o-60o-90o
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24. 30o-60o-90o
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25. 30o-60o-90o
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26. 30o-60o-90o
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27. 30o-60o-90o
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28. 30o-60o-90o
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29. 30o-60o-90o
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30. 30o-60o-90o
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31. 30o-60o-90o
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32. 30o-60o-90o
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33. 30o-60o-90o
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34. Review Both Patterns:
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35. 45o-45o-90o a a a
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36. 30o-60o-90o a 2a a
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37. Mixed Practice:
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38. Moody Mathematics

39. Moody Mathematics

40. 8 8 8
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41. 10 10 10
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42. Moody Mathematics

43. Moody Mathematics

44. Moody Mathematics

45. Moody Mathematics

46. Moody Mathematics

47. Moody Mathematics

48. Moody Mathematics

49. Moody Mathematics

50. Moody Mathematics

51. Moody Mathematics

52. 4 4
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53. 2
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54. Moody Mathematics

55. Summarizing the Pattern

56. Examples: 1.

57. 2.

58. 3.

59. 4.

60. 5.

61. 6.

62. 7.

63. 8.