An octagon has 8 sides. There is a general formula for all plane geometric figures. The sum of the interior angles is 180(n-2) where n is the number of sides.
So: 180(8-2) = 180x6 = 1080
They add up to 360 degrees
The sum of the exterior angles of a polygon is 360o.
The sum of the exterior angles of any Polygon is 360o .
The sum of the exterior angles of ANY polygon is 360 degrees.
The sum of the exterior angles of a polygon is equal to 360 degrees.
The sum of the exterior angles of ANY polygon is 360 degrees.
The exterior sum of angles for any polygon is always 360 degrees.The sum of the exterior angles of a 12 sided dodecagon is 360 degrees
360 degrees. The sum of the measures of the exterior angles of any polygon is 360°.
The sum of the exterior angles is always 360 degrees.
The sum of the exterior angles of ANY polygon is 360 degrees.
The sum of the exterior angles of any polygon is 360o.
The sum of the exterior angles of any polygon is 360 degrees.
The exterior sum of angles of any polygon is always 360 degrees.