Respuesta :

Answer:

62° & 54°

Step-by-step explanation:

Answer 21 :-

We know that the measure of a straight line is 180° .

  • x + 118° = 180°
  • x = 180° - 118°
  • x = 62°

Answer 22:-

  • 2x + 1 + 71 = 180
  • 2x = 180 - 72
  • 2x = 108
  • x = 54°

Answer:

62° & 54°

Step-by-step explanation:

Answer 21 :-

We know that the measure of a straight line is 180° .

x + 118° = 180°

=> x = 180° - 118°

=> x = 62°

Answer 22:-

2x + 1 + 71 = 180

=> 2x = 180 - 72  

=> 2x = 108

=> x = 54°

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