Respuesta:
x=65
Explicación paso a paso:
x+x+2x+100°=360°
4x=360°-100
4x=260
x=260:4
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Respuesta:
x=65
Explicación paso a paso:
x+x+2x+100°=360°
4x=360°-100
4x=260
x=260:4
x=65