1080 degrees (an average of 270 degrees, times the four angles).
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The sum of the exterior angles of a polygon equals 360.Quadrilateral has 4 exterior angles.360/4=90 for a regular quadrilateral.
is an exterior angle of a quadrilateral always sometime or never 90 degrees
No, but the sum of the exterior angles is 360 degrees. But remember that the exterior angle related to any reflex angle will be negative.No, but the sum of the exterior angles is 360 degrees. But remember that the exterior angle related to any reflex angle will be negative.No, but the sum of the exterior angles is 360 degrees. But remember that the exterior angle related to any reflex angle will be negative.No, but the sum of the exterior angles is 360 degrees. But remember that the exterior angle related to any reflex angle will be negative.
Theorem 6-1-2; Polygon Exterior Angle Sum Theorem:The sum of the exterior angle measures, one angle at each vertex, of a convex polygon is 360 degrees.
The sum of the exterior angles of all polygons is 360 degrees.