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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Numbers in Words

Numbers in Words

Find the five lettered mathematical words by matching numbers with their equivalent in words. So far this activity has been accessed 18078 times and 834 people have earned a Transum Trophy for completing it.

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