4.1 & 4.2 Triangles, Interior And Exterior

15 Questions | Total Attempts: 187

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4.1 & 4.2 Triangles, Interior And Exterior - Quiz

This is covers the sum of the interior angles of a triangle, the exterior angle theorem and the properties of triangles.


Questions and Answers
  • 1. 
    1.  Which of the following is the best description of the triangle below?  Be sure to find the missing angle before classifying the triangle.
    • A. 

      Right Obtuse

    • B. 

      Isosceles Obtuse

    • C. 

      Scalene Obtuse

  • 2. 
    • A. 

      90

    • B. 

      100

    • C. 

      126

  • 3. 
    Use the triangle sum theorem to solve for the value of x.  Which of the choices is the value for x?
    • A. 

      16.6

    • B. 

      19.3

    • C. 

      22

  • 4. 
    Given triangle ABC is an equilateral triangle.  What is the length of the sides of the triangle?
    • A. 

      The length of each side is 20.

    • B. 

      The length of each side is 40.

    • C. 

      The length of each side is 60.

  • 5. 
    What is the m<1?
    • A. 

      38

    • B. 

      77

    • C. 

      103

  • 6. 
    What is the sum of the angles 6, 7, and 8?
    • A. 

      180

    • B. 

      360

    • C. 

      Not enough information

  • 7. 
    • A. 

      80

    • B. 

      50

    • C. 

      40

  • 8. 
    What is the sum of angles 9, 10, and 11?
    • A. 

      90

    • B. 

      180

    • C. 

      360

  • 9. 
    What is the first step to solving for x in the picture below?  Remember this picture represents exterior angle properties.
    • A. 

      5x = 120 + x

    • B. 

      120 + x + 5x = 180

    • C. 

      120 + x = 5x + 180

  • 10. 
    What is the value for x in the picture below?
    • A. 

      60

    • B. 

      75

    • C. 

      105

  • 11. 
    What is the value of x for the picture below?
    • A. 

      6.75

    • B. 

      15

    • C. 

      27

  • 12. 
    What is the value of x?
    • A. 

      40

    • B. 

      45

    • C. 

      50

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