alia2804 alia2804
  • 26-03-2020
  • Mathematics
contestada

30+x+20=180 in Angle Sum Theorem

Respuesta :

Аноним Аноним
  • 26-03-2020

Answer:

Step-by-step explanation:

30+x+20=180

50+x=180

x=180-50=130

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