6.8.6 Properties of Polygons

Definitions

• • Polygon --> A simple, closed figure formed by three or more line segments

  • Pentagon --> A 5-sided polygon

  • Hexagon --> A 6-sided polygon

  • Heptagon/Septagon --> A 7-sided polygon

  • Octagon --> An 8-sided polygon

  • Nonagon --> A 9-sided polygon

  • Decagon --> A 10-sided polygon

  • Interior Angle --> Angles that lie inside of a polygon

  • Exterior Angle --> The angle between any side of a figure and a line extended from an adjacent side

    • An interior and exterior angle are supplementary (meaning both angles will add up to 180 degrees)