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Astute
Hey there,

Your correct answer would be [tex]\boxed{49}[/tex]

First reason: It is a very tight corner for it to be a HUGE number. This is a acute angel. It would have a low degree. It would be 49°.

Second reason: We do 74+51+y+6=180 

Once it run's to 180, we can now know what number is missing.

74°+51°+49°+6°= 180°

Your correct answer is 49°

Hope this helps.
~Jurgen
musiclover10045

180-74 = 106

51 + y+6 = 106

57+y = 106

y = 106-57

y = 49


 there is no x in the picture


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