Polygon Angle Explorer

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 ⏯ Polygon Profiles

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Truculent

Truculent

Can you arrange the seven counters on the grid despite their truculent behaviour? So far this activity has been accessed 20999 times and 129 people have earned a Transum Trophy for completing it.

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