6.It is an angle at a vertex of a polygon, outside the polygon, formed by one side and the extension of the adjacent side. a. Interior angle c. Central angle b. Exterior angle d. Included angle the intorior anoles of a heptagon?
Exterior Angle (of a Polygon) An exterior angle of a polygon is an angle at a vertex of the polygon, outside the polygon, formed by one side and the extension of an adjacent side. Notice that corresponding interior and exterior angles are supplementary (add to 180°).
