There are four sides. Their names will depend on the orientation of the square.
name one pair of perpendiclur line segments?
A plane shape. There is no specia name unless all the line segments are straight.
Convex
line segments
There are four sides. Their names will depend on the orientation of the square.
There is no specific name - other than what you used: "a pair of parallel line segments".
name one pair of perpendiclur line segments?
The line segments that make up any polygon are called its sides.
Which pair. Of line is parallel fghj
A plane shape. There is no specia name unless all the line segments are straight.
Convex
line segments
Yes. AB, AC, BC and EF.
figure
Usually a line segment in a triangle is either assigned a letter, or is referred to by the letters at the end of the segment with a line overhead. For instance, if you have a triangle ABC, you'll have segments AB, AC, and BC. And there would be a line over each segment name.
There is no specific name in general. If the line segments are straight, then it is a triangle.