Angles in a Triangle

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Angles in a Triangle

  1. 1.
  2. 2. Apply angle properties to find the measure of the missing angle in each figure. °<br />
  3. 3. x = 27°<br />Isosceles Triangle Theorem<br />
  4. 4. Round 1<br />
  5. 5. x = 123°<br />linear pair<br />
  6. 6. x = 41°<br />vertical angle<br />
  7. 7. x = 40°<br />same side exterior angles<br />
  8. 8. x = 41°<br />complementary<br />
  9. 9. x = 68.5°<br />Isosceles Triangle Theorem<br />
  10. 10. x = 61°<br />same side interior angles<br />
  11. 11. Round 2<br />
  12. 12. x = 60°<br />equiangular<br />
  13. 13. x = 121°<br />vertical angle<br />
  14. 14. x = 148°<br />alternate interior angles<br />
  15. 15. x = 135°<br />alternate exterior angles<br />
  16. 16. x = 48°<br />Isosceles Triangle Theorem<br />
  17. 17. x = 35°<br />complementary<br />
  18. 18. Round 3<br />
  19. 19. x = 45°<br />Isosceles Triangle Theorem<br />
  20. 20. x = 127°<br />corresponding angles<br />
  21. 21. x = 74°<br />Isosceles Triangle Theorem<br />
  22. 22. x = 40°<br />triangle angle sum theorem<br />
  23. 23. x = 40°<br />Isosceles Triangle Theorem<br />
  24. 24. x = 93°<br />linear pair<br />
  25. 25.
  26. 26. Individual speed test(1 minute per item)<br />Round 4<br />
  27. 27. No. 1<br />
  28. 28. No. 2<br />
  29. 29. No. 3<br />
  30. 30. No. 4<br />
  31. 31. No. 5<br />
  32. 32. No. 6<br />
  33. 33. No. 7<br />
  34. 34. No. 8<br />
  35. 35. No. 9<br />
  36. 36. No. 10<br />
  37. 37. Answers<br />
  38. 38. No. 1<br />x = 30°<br />60°<br />30°<br />30°<br />60°<br />60°<br />120°<br />
  39. 39. No. 2<br />x = 75°<br />60°<br />45°<br />75°<br />60°<br />45°<br />60°<br />
  40. 40. No. 3<br />60°<br />60°<br />60°<br />60°<br />30°<br />x = 30°<br />
  41. 41. No. 4<br />x = 15°<br />45°<br />15°<br />135°<br />45°<br />
  42. 42. No. 5<br />x = 36°<br />36°<br />36°<br />108°<br />72°<br />72°<br />
  43. 43. No. 6<br />39.5°<br />x = 39.5°<br />101°<br />79°<br />39.5°<br />79°<br />
  44. 44. No. 7<br />60°<br />x = 75°<br />45°<br />60°<br />45°<br />60°<br />45°<br />60°<br />75°<br />
  45. 45. No. 8<br />30°<br />60°<br />60°<br />60°<br />60°<br />x = 30°<br />
  46. 46. No. 9<br />60°<br />45°<br />60°<br />60°<br />45°<br />45°<br />60°<br />75°<br />x = 75°<br />75°<br />30°<br />
  47. 47. No. 10<br />30°<br />x = 30°<br />30°<br />120°<br />60°<br />60°<br />60°<br />60°<br />60°<br />60°<br />
  48. 48.
  49. 49. www.slideshare.net/teacherfidel<br />

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