a. The pair of parallel lines in the diagram given is:
b. The pairs of perpendicular lines in the given diagram are:
- lines f and h
- lines g and h
a. Parallel lines are straight lines that do not intersect or cross each other.
In the diagram given, line f and line g are two straight lines that do not intersect or meet each other.
The pair of parallel lines in the diagram given is:
b. Perpendicular lines are straight lines that intersect each other at angle 90 degrees.
In the diagram, line g and line h intersect at 90 degrees.
Also, line f intersect with line h at 90 degrees.
The pairs of perpendicular lines in the given diagram are:
- lines f and h
- lines g and h
Learn more here:
https://brainly.com/question/7197064