Respuesta :

Answer:  "x = 109° ;  y = 71° " .
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y = 71 ;  

all sides must equal 360 .

71 * 2 = 142 ;

360 - 142 = 218 ;

218 ÷ 2 = 109 ;

x = 109;

x = 109° ;  y = 71° .
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