Explicación paso a paso:
1)
x = 22°
x+y = 180
22+y=180
y = 180-22
y = 158°
2)
x = 15°
15+y=180
y = 180-15
y = 165°
3)
x = 103°
103+y=180
y = 180-103
y = 77°
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Explicación paso a paso:
1)
x = 22°
x+y = 180
22+y=180
y = 180-22
y = 158°
2)
x = 15°
x+y = 180
15+y=180
y = 180-15
y = 165°
3)
x = 103°
x+y = 180
103+y=180
y = 180-103
y = 77°