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smmwaite

Answer

Extended angle.


Explanation

The angles inside a figure are called interior angles.

They are formed when any two vertices of a figure meet.

When one of the vertices is extended the angle formed by the extension and the vertex on the figure is called an extended angle.

Extended angle  + Interior angle  = 180°      (angles in a straight line)

Answer:

It’s an exterior angle

Step-by-step explanation:

An interior angle is an angle contained in the lines. An exterior angle is an angle on the outside is the lines

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