Question

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Answer 1

Answer:

Good evening dear

Step-by-step explanation:

Answer is 130°

Answer 2

Answer:

130°

Step-by-step explanation:

*if two lines interest each other vertically opposite angles are equal

so angle 1+angle 2=100°

angle 1=50

angle 2=50

* the sum of 2 adjacent angle is 180°

so, angle 2 (or) 1 are adjacent angle to angle 4

180°-50°=130°