Respuesta:
x + 2x + 120 = 180
3x = 180 - 120
3x = 60
x = 60/3
x = 20°
2x = 2(20)
2x = 40
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Verified answer
Respuesta:
x + 2x + 120 = 180
3x = 180 - 120
3x = 60
x = 60/3
x = 20°
2x = 2(20)
2x = 40