foodlover51 foodlover51
  • 05-03-2021
  • Mathematics
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Respuesta :

sumamahalingshetti
sumamahalingshetti sumamahalingshetti
  • 05-03-2021

Answer:

7x-2+5x-10+4x=180°

16x-12=180

16x=192

x=192/16

x=12

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