They look like an upside-down "T".
_|
A perpendicular bisector has a right angle or 90 degrees
Nothing. A perpendicular is an adjective, not a noun. A perpendicular, by itself, cannot exist. A perpendicular bisector, for example, does not have any sides.
Perpendicular is when two lines cross and form a right angle, which I hope you know what that is.
It looks like an upside-down "T".
As far as we know, two lines can be perpendicular, or they can be parallel, but they can't be both.
it would look weird because that is not possible
It look like road signs
It looks like a plus sign (+)
It looks like an upside-down "T".
home plate
A line that makes a right angle