Respuesta:
7.
90+90+ 80+x=360
260+x=360
x=360-260
x=100
8.
90+90+x+2x=360
180+3x=360
3x=360-180
3x=180
x=60
9.
90+90+2x+3x=360
180+5x=360
5x=360-180
5x=180
x=36
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Respuesta:
7.
90+90+ 80+x=360
260+x=360
x=360-260
x=100
8.
90+90+x+2x=360
180+3x=360
3x=360-180
3x=180
x=60
9.
90+90+2x+3x=360
180+5x=360
5x=360-180
5x=180
x=36