360 degrees
The sum of the measures of the exterior angles of an octagon (and any polygon) is 360o.
180
SUPPLEMENTARY ANGLES are two angles the sum of whose measures is 180 degrees.
The sum of the interior angles is 360.
13agon and 50agon
It measures half the sum of the arcs it intercepts.
In a triangle, the sum of the measures of the angles is 180 degrees.
The sum of the measures of the interior angles of a heptagon is 900 degrees.
360 degrees
The sum of the measures of the interior angles of any quadrilateral is 360.(S-2)*180 equals the sum.
find the sum of the measures of the interior angles of 13-gon.
The sum of the measures of the exterior angles of an octagon (and any polygon) is 360o.
360
180
Supplementary
SUPPLEMENTARY ANGLES are two angles the sum of whose measures is 180 degrees.