Irregular Polygons - Missing Exterior Angles Exercise

Irregular Polygons - Missing Exterior Angles

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Irregular Polygons - Missing Exterior Angles

Determine missing exterior angle measures in irregular polygons using angle sum rules.

Questions

  1. MultiChoice

    An irregular quadrilateral has exterior angles of 90°, 80°, and 100°. What is the fourth exterior angle?

  2. MultiChoice

    An irregular pentagon has exterior angles of 70°, 80°, 60°, and 75°. What is the fifth exterior angle?

  3. MultiChoice

    An irregular hexagon has five exterior angles: 50°, 60°, 70°, 80°, and 50°. What is the sixth exterior angle?

  4. MultiChoice

    In a triangle, two exterior angles are 115° and 125°. What is the third exterior angle?

  5. MultiChoice

    An irregular heptagon has six exterior angles summing to 310°. What is the seventh exterior angle?

  6. MultiChoice

    An irregular octagon has seven exterior angles summing to 325°. What is the eighth exterior angle?

  7. MultiChoice

    A quadrilateral has exterior angles measuring x, 2x, 3x, and 4x. What is the largest exterior angle?

  8. MultiChoice

    Four exterior angles of a pentagon measure 80° each. What is the fifth exterior angle?

  9. MultiChoice

    In an irregular hexagon, five exterior angles add up to 300°. What is the sixth exterior angle?

  10. MultiChoice

    If three exterior angles of a pentagon are 70° each and a fourth is 80°, what is the fifth exterior angle?

  11. MultiChoice

    An irregular nonagon has eight exterior angles summing to 320°. What is the ninth exterior angle?

  12. MultiChoice

    A decagon has nine exterior angles totaling 324°. What is the remaining exterior angle?