athenaflairelavigne athenaflairelavigne

21-04-2022
Mathematics

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Respuesta :

semsee45 semsee45

24-04-2022

Answer:

9) A. ∠1 and ∠3

10) B. Angle 2

11) B. 110°

12) B. 70°

Step-by-step explanation:

Vertical angles: a pair of opposite angles formed by two lines intersecting. Vertical angles are congruent.

The vertical angles in the given diagram are ∠1 and ∠3 AND ∠2 and ∠4

These pairs of angles are equal, so: ∠1 =∠3 AND ∠2 =∠4

Therefore:

If ∠1 = 110° then ∠3 = 110°

If ∠2 = 70° then ∠4 = 70°

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