Question

question 4 of 40
intersecting lines that form a right angle are defined as _____.
a. parallel
b. skew
c. perpendicular
d. planes

Explanation:

By definition, perpendicular lines intersect at a right - angle. Parallel lines never intersect, skew lines are non - coplanar and do not intersect, and planes are two - dimensional flat surfaces.

Answer:

C. perpendicular