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

FAST < < < < < Speed of Animation > > > > > SLOW

 

Recently Updated

Express as a Percentage

Express as a Percentage

This self-marking quiz requires you to work out what one quantity is as a percentage of a second quantity. So far this activity has been accessed 12446 times and 4908 Transum Trophies have been awarded for completing it.

The animations above were made for the this video:

Do you have any comments? It is always useful to receive feedback and helps make this free resource even more useful for those learning Mathematics anywhere in the world. Click here to enter your comments.

Apple

©1997-2022 WWW.TRANSUM.ORG