Corresponding angles are equal. ... d and f are
interior angles
The measure of the exterior angle at a vertex is unaffected by which side is extended: the two exterior angles that can be formed at a vertex by extending alternately one side or the other are vertical angles and thus are equal.
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Are corresponding angles equal?
Are all Corresponding Angles Equal? No, all corresponding angles are not equal. The corresponding angles which are formed when a transversal intersects two parallel lines are equal.
What are angles equal to 180 called?
Two angles are called supplementary when their measures add up to 180 degrees.
