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Angles in a Triangle
 

Angles in a Triangle

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    Angles in a Triangle Angles in a Triangle Presentation Transcript

    • Apply angle properties to find the measure of the missing angle in each figure. °
    • x = 27°
      Isosceles Triangle Theorem
    • Round 1
    • x = 123°
      linear pair
    • x = 41°
      vertical angle
    • x = 40°
      same side exterior angles
    • x = 41°
      complementary
    • x = 68.5°
      Isosceles Triangle Theorem
    • x = 61°
      same side interior angles
    • Round 2
    • x = 60°
      equiangular
    • x = 121°
      vertical angle
    • x = 148°
      alternate interior angles
    • x = 135°
      alternate exterior angles
    • x = 48°
      Isosceles Triangle Theorem
    • x = 35°
      complementary
    • Round 3
    • x = 45°
      Isosceles Triangle Theorem
    • x = 127°
      corresponding angles
    • x = 74°
      Isosceles Triangle Theorem
    • x = 40°
      triangle angle sum theorem
    • x = 40°
      Isosceles Triangle Theorem
    • x = 93°
      linear pair
    • Individual speed test(1 minute per item)
      Round 4
    • No. 1
    • No. 2
    • No. 3
    • No. 4
    • No. 5
    • No. 6
    • No. 7
    • No. 8
    • No. 9
    • No. 10
    • Answers
    • No. 1
      x = 30°
      60°
      30°
      30°
      60°
      60°
      120°
    • No. 2
      x = 75°
      60°
      45°
      75°
      60°
      45°
      60°
    • No. 3
      60°
      60°
      60°
      60°
      30°
      x = 30°
    • No. 4
      x = 15°
      45°
      15°
      135°
      45°
    • No. 5
      x = 36°
      36°
      36°
      108°
      72°
      72°
    • No. 6
      39.5°
      x = 39.5°
      101°
      79°
      39.5°
      79°
    • No. 7
      60°
      x = 75°
      45°
      60°
      45°
      60°
      45°
      60°
      75°
    • No. 8
      30°
      60°
      60°
      60°
      60°
      x = 30°
    • No. 9
      60°
      45°
      60°
      60°
      45°
      45°
      60°
      75°
      x = 75°
      75°
      30°
    • No. 10
      30°
      x = 30°
      30°
      120°
      60°
      60°
      60°
      60°
      60°
      60°
    • www.slideshare.net/teacherfidel