The sketch shows two parallel lines cut by a transversal. Angle 1 is 58° . What is the measure of angle 7 ?

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asked May 13, 2019 155k views

2 Answers

Psychoslave · Answer 1 · 2019-05-19T15:25:45+0000

we know that
∠1=∠5------------> by corresponding angles are congruent
so
∠5=58°

and
∠5+∠7=180----------> by supplementary angles
so
∠7=180-∠5--------> 180-58--------> 122°

the answer is ∠7=122°

The sketch shows two parallel lines cut by a transversal. Angle 1 is 58° . What is the measure of angle 7 ?

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