6.2.3 Polygon Angle Sums

10 Questions

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Polygon Quizzes & Trivia

When finding the angles of a polygon, we usually divide the polygon into triangles. There is a basic formula for getting the angles that was covered in class today. Take up the quiz below to help you practice on getting the angles of a polygon until it sticks. Best of luck!


Questions and Answers
  • 1. 
    What is the interior angle sum of a decagon?
    • A. 

      1800 degrees

    • B. 

      1440 degrees

    • C. 

      1080 degrees

    • D. 

      720 degrees

    • E. 

      360 degrees

  • 2. 
    What is the interior angle sum of a pentagon?
    • A. 

      360 degrees

    • B. 

      540 degrees

    • C. 

      720 degrees

    • D. 

      900 degrees

    • E. 

      1080 degrees

  • 3. 
    What is the interior angle sum of an octagon?
    • A. 

      360 degrees

    • B. 

      540 degrees

    • C. 

      720 degrees

    • D. 

      900 degrees

    • E. 

      1080 degrees

  • 4. 
    What is the exterior angle sum of a pentagon?
    • A. 

      360 degrees

    • B. 

      540 degrees

    • C. 

      720 degrees

    • D. 

      900 degrees

    • E. 

      1080 degrees

  • 5. 
    What is the measure in degrees of one exterior angle of a regular octagon?
    • A. 

      20

    • B. 

      30

    • C. 

      36

    • D. 

      40

    • E. 

      45

  • 6. 
    What is the measure in degrees of one exterior angle of a regular nonegon?
    • A. 

      20

    • B. 

      30

    • C. 

      40

    • D. 

      60

    • E. 

      90

  • 7. 
    How many sides does a regular polygon have if each exterior angle measures 20 degrees?
    • A. 

      18

    • B. 

      12

    • C. 

      10

    • D. 

      9

    • E. 

      8

  • 8. 
    How many sides does a regular polygon have if each exterior angle measures 60 degrees?
    • A. 

      10

    • B. 

      9

    • C. 

      8

    • D. 

      7

    • E. 

      6

  • 9. 
    What is the measure of one interior angle of a regular pentagon?
    • A. 

      108 degrees

    • B. 

      120 degrees

    • C. 

      135 degrees

    • D. 

      144 degrees

    • E. 

      150 degrees

  • 10. 
    What is the measure of one interior angle of a regular decagon?
    • A. 

      108

    • B. 

      120 degrees

    • C. 

      135 degrees

    • D. 

      144 degrees

    • E. 

      150 degrees