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Bunuel
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The measure of angle x will be 105-25 = 80 degrees

(Properties of angles made by parallel lines and transversal).

Answer is C
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Bunuel

The figure above shows a cross section of a building. If the rafter is parallel to the joist, what is the measure of angle x?

(A) 45

(B) 60

(C) 80

(D) 90

(E) 105

Attachment:
2018-02-02_1045.png

Solution:

We can create the equation:

105 = 25 + x

80 = x

Answer: C
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Man, [email protected],

You beat me to it! Was hoping for some kudos.

I was going to leave the same answer. If you take away the Right Transversal, 105 Degree Angle and X + 25 Degree Angle become Equal Alternate Interior Angles.

guess you taught me too well....lol
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