miatedwards263 miatedwards263
  • 30-10-2020
  • Mathematics
contestada

find the value of x

find the value of x class=

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Аноним Аноним
  • 30-10-2020

Answer:

48°

Step-by-step explanation:

x + 3x-12 = 180

4x-12 = 180

4x=192

x=48°

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