To determine if two angles are adjacent, we need to make sure that they share a common vertex and a common side.
From the given information, it is clear that the two leftward rays have a common vertex and a common side.
However, we cannot determine if the angle labeled e and the angle labeled f share a common side since the angle labeled f is formed by a vertical line emerging from the top ray.
Without further information, we cannot determine if the two indicated angles are adjacent.
An illustration shows two leftward rays emerging from a point and the internal angle is marked e. A vertical line emerging from the top ray forms an angle with the ray labeled f.
Determine if the two indicated angles are adjacent.
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