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4.1 Lines, Angles, and Triangles - Angle relationships (parallel lines)
0:00
The figure presents 3 lines intersecting at point P. Six angles are formed at the point of intersection. Of the six angles, one angle is labeled x degrees, and counterclockwise angles are labeled as follows: unlabeled, y degrees, unlabeled, z degrees, and unlabeled. A note states that the figure is not drawn to scale.

In the figure, three lines intersect at point P. If x equals 65 and y equals 75, what is the value of z ?

A.

140

B.

80

C.

40

D.

20