athenaflairelavigne
athenaflairelavigne athenaflairelavigne
  • 21-04-2022
  • Mathematics
contestada

hope someone answer it​

hope someone answer it class=

Respuesta :

semsee45
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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