Answer:
Definitions are given below.
Explanation:
An angle is an indefinite portion limited by two lines starting from the same point or by two planes starting from the same line and whose aperture can be measured in degrees.
An interior angle or internal angle is an angle formed by two sides of a polygon that share a common vertex, is contained within the polygon. There is an inner angle for each vertex of the polygon.
The bisector is a ray that starts from the vertex of an angle and divides it into two equal parts.
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