Exterior angles add up to 360 degrees
Interior angles add up to 1980 degrees
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.
360 degrees
The sum of the measures of the interior angles of a heptagon is 900 degrees.
The sum of the measures of the interior angles of any quadrilateral is 360.(S-2)*180 equals the sum.
The sum of the measures of the exterior angles of an octagon (and any polygon) is 360o.
find the sum of the measures of the interior angles of 13-gon.
360
180
SUPPLEMENTARY ANGLES are two angles the sum of whose measures is 180 degrees.
Supplementary