Interior And Exterior Angles Of A Polygon Bbc Bitesize. Polygons are 2-dimensional shapes with straight sides. The sum of the exterior angles of a polygon is 360.
This shape has 4 sides so its interior angles add up to. Oct 16 2013 Updated. The sum of the exterior angles of a polygon is 360.
As you can see the sum of the exterior angles of a square is 360.
To find the sum of the interior angles in a polygon divide the polygon into triangles. In the square for example the exterior angles is 360 divided by the number of sides 90. Videos worksheets 5-a-day and much more. Number of sides n Angle at centre AOB Interior angle ABC Exterior angle CBD Equilateral Triangle Square Pentagon Hexagon Octagon Decagon.
