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angulo=x
suplemento=180°-x
x=4(180°-x)
x=720°-4x
4x +4x=720°
8x=720°
x=720°/5
x=144°
ángulo: x
Complemento del ángulo: 90 - x
Suplemento del ángulo: 180 - x
RESOLUCIÓN:
x = 4(180 - x)
x = 720 - 4x
4x + x = 720
5x = 720
x = 720/5
x = 144°
RESPUESTA:
El ángulo es 144°.