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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Overloaded Fraction

Overloaded Fraction

A set of ten puzzles requiring you to arrange the given digits to make an equivalent fraction. So far this activity has been accessed 81 times and 17 Transum Trophies have been awarded for completing it.

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