Razones Trigonométricas ​

Razones Trigonométricas

Respuesta:

Explicación paso a paso:

-(x+40) + (20-x) = 180

- x - 40 + 20 - x = 180

- x - 20 - x = 180 + 20

- x - x = 200

             -2

x = -100

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