Polygon Angles

Exterior Angles of Regular Polygons

insect

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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Online Sudoku

Online Sudoku

An online, interactive version of the popular number placing puzzle. So far this activity has been accessed 37003 times and 300 Transum Trophies have been awarded for completing it.

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