sat suite question viewer
Geometry and Trigonometry
/ Lines, angles, and triangles
Difficulty: Easy
In the figure, line is parallel to line , and line intersects both lines. What is the value of ?
Explanation
Choice D is correct. In the figure shown, the angle marked and the angle marked form a linear pair of angles. If two angles form a linear pair of angles, the sum of the measures of the angles is . Therefore, the value of is .
Choice A is incorrect. This is less than , not the sum of and .
Choice B is incorrect and may result from conceptual or calculation errors.
Choice C is incorrect. This is the measure, in degrees, of one of the angles shown.