barbaraotrello barbaraotrello
  • 11-03-2021
  • Mathematics
contestada

please help _____________

please help class=

Respuesta :

sqdancefan
sqdancefan sqdancefan
  • 11-03-2021

9514 1404 393

Answer:

  C)  40°

Step-by-step explanation:

The given angles are opposites, so will be equal to each other:

  4x +4 = 6x -14

  18 = 2x . . . . . . . . . . add 14-4x

  9 = x

Then the angle measure is ...

  ∠ACD = (4(9) +4)°

  ∠ACD = 40°

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