lu21
lu21
26-05-2016
Mathematics
contestada
find x and y please help
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Аноним
Аноним
26-05-2016
2x° and x° on the straight angle form a 180°
2x + x = 180
3x = 180
x = 60
The x is 60°
2x° and 2 y on the straight angle is 180°
since you know 2x is 120°
180 - 120 = 60
There is 2 y, so you divide 60 by 2
60 ÷ 2 = 30
The y is 30°
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