emilybb195
emilybb195
08-04-2017
Mathematics
contestada
PICTURE IS INCLUDED!!!
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Floki22
Floki22
08-04-2017
x + y + z = 180°
y + (y-12) + 56 = 180
2y + 44 = 180
2y = 180 - 44
2y = 136
y = 136 ÷ 2
y = 68°
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