Missing Angle: Vertical Angles

Missing Angle: Vertical Angles

Figure out the value of the missing angle using the fact that the measure of vertical angles have the same measure.
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Note: Vertical angles are angles that are opposite to each other and are formed by two intersecting straight lines. Vertical Angles Theorem states that vertical angles are congruent or same.
Example: Line AB and Line CD are intersecting lines. If angle AEC is 40°, what is angle AED?
E
C
A
B
D
150°
140°
130°