bcardone
bcardone
14-02-2018
Mathematics
contestada
anyone understand how to do this one?
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demariaa01
demariaa01
14-02-2018
The sum of angles in a triangle is 180°:
(x+59)°+(x+51)°+84°=180°
x+59+x+51+84=180
2x+194=180
2x=180-194
2x=-14
x=-7
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