Question

1. choose the correct answer.

an angle formed in the exterior of a polygon by a side of the polygon and the extension of a consecutive side is a(n)____
exterior angle
interior angles
polygon
concave polygon

1. choose the correct answer.

a closed plane figure formed by three or more line segments, such that each segment intersects exactly two other segments only at their endpoints, and no two segments with a common vertex are collinear is a(n)____.
concave polygon
polygon
exterior angles
convex polygon

Explanation:

1. By definition, an angle formed in the exterior of a polygon by a side of the polygon and the extension of a consecutive side is an exterior angle.
2. A polygon is a closed plane figure formed by three or more line segments, where each segment intersects exactly two other segments only at their endpoints, and no two segments with a common vertex are collinear.

Answer:

1. exterior angle
2. polygon