Polygon Angles

Exterior Angles of Regular Polygons

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Interior Angles of Regular Polygons

Interior Angles of Irregular Polygons

The sum of the interior angles of an n-sided polygon is 180 × n - 360 degrees.

⏯ Regular Exterior ⏯ Regular Interior ⏯ Irregular Interior

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Angle Parallels

Angle Parallels

Understand and use the relationship between parallel lines and alternate and corresponding angles. So far this activity has been accessed 58842 times and 40285 Transum Trophies have been awarded for completing it.

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