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  • 25-09-2020
  • Mathematics
contestada

find the indicated unknown angle measure.​

find the indicated unknown angle measure class=

Respuesta :

Monkjrx2 Monkjrx2
  • 25-09-2020

Answer:

138 degrees

Step-by-step explanation:

Angle b and the 42 degree angle right next to it are supplementary angles. That means that 42+b=180

b=138

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