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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Don't Shoot The Square

Don't Shoot The Square

You will need to be quick on the draw to shoot all of the numbers except the square numbers. So far this activity has been accessed 57806 times and 473 people have earned a Transum Trophy for completing it.

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Apple

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