Respuesta :

mathstudent55
The tangent and the line form two supplementary angles.
Since one angle measures 123 deg, angle z measures 180 - 123 = 57
z = 57

To find x:

123 = (1/2)x

x = 246

To find y:

z = (1/2)y

y = 2z = 2(57) = 114

Answers:
x = 246
y = 114
z = 57

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