Question

find the measures of X Y and Z in the figure where l is parallel to BC

Answer 1

Y = 75° ( AIA )
Z = 45° (AIA )
X = 180 - (75+45)
= 180- 120
= 60°
X = 60°

Answer 2

Hey,
Measure of angle X: 75 degree +x+45 degree=180 degree( angles on a straight line)
x=60degree.

Measure of angle Z: Angle z=75degree(corresponding angles).

Measure of angle Y: Angle x+angle y+angle z=180 degree
->60 degree+75 degree+ angle y=180 degree
->angle y=45 degree.

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