jesusalvarez908556 jesusalvarez908556
  • 13-05-2021
  • Mathematics
contestada

I don’t know if the answer is 60 or 180 please help

I dont know if the answer is 60 or 180 please help class=

Respuesta :

maggielee724
maggielee724 maggielee724
  • 13-05-2021

Answer:

b = 120

Step-by-step explanation:

a & b are vertical angles and vertical angles are congruent, thus, a and b are congruent.

=> a = b, a = 120

=> b = 120

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