Respuesta:
3A+90=180
3A=90
A=30
X=180-30 CORONITA PLIS
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Respuesta:
3A+90=180
3A=90
A=30
X=180-30 CORONITA PLIS
3a= 180-90=90
a= 90/3= 30
Xo= 180-30= 150 grados