Respuesta:
*40°-x=x+12°
28°=2x
14°=x
* 40°-14° + 14° +12° + 2y= 260°
52° + 2y= 260°
2y= 208
y= 208/ 2
y= 104°
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Respuesta:
*40°-x=x+12°
28°=2x
14°=x
* 40°-14° + 14° +12° + 2y= 260°
52° + 2y= 260°
2y= 208
y= 208/ 2
y= 104°