Question

question 15 of 49
lines ab and xy are best described as which of the following?
a. perpendicular lines
b. parallel lines
c. perpendicular segments
d. perpendicular rays

Explanation:

Perpendicular lines intersect at a right - angle (90 degrees). In the given diagram, lines AB and XY intersect at a right - angle at point R. They are lines, not segments (which have two endpoints) or rays (which have one endpoint). Parallel lines never intersect.

Answer:

A. Perpendicular lines