jennariley
jennariley jennariley
  • 02-11-2020
  • Mathematics
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gardnerdanj gardnerdanj
  • 02-11-2020

Answer:

Angle 13 is 106, by the supplementary angle theorem.

Step-by-step explanation:

Supplementary angles add up to 180 degrees when they lie on a straight line.

Angle 13 + Angle 12 = 180

Angle 13 + 74 = 180

Angle 13 = 106

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