zekrom259
zekrom259 zekrom259
  • 10-02-2021
  • Mathematics
contestada

I don’t get this math

I dont get this math class=

Respuesta :

irspow
irspow irspow
  • 10-02-2021

Answer:

Step-by-step explanation:

The missing angle and the exterior angle, a, must equal 180 so

a+8x-11=180

a=191-8x

The sum of all inner angles must equal 180 so

191-8x+2x+6+5x=180

-x+197=180

-x=-17

x=17

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