Question

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Answer 1

Step-by-step explanation:

y+123°=180°(linear pair angle)

y=180°-123°

y=57°

x=123°(Adjacent angled)

x=z=123°(vertically opposite angles)

Therefore, x=123° , y=57° ,z=123°

Answer 2

Answer:

x = 180-57 = 127

z = 127 ,x and y are equal

y = 180-123 = 57