isabella387com
isabella387com isabella387com
  • 03-01-2024
  • Mathematics
contestada

Find the value of x.

Find the value of x class=

Respuesta :

mathstudent55
mathstudent55 mathstudent55
  • 03-01-2024

Answer:

112

Step-by-step explanation:

use the exterior angle theorem.

31° + x° = 143°

31 + x = 143

x = 112

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