90 degree bisector
It is an asymptote.
A bisector
When a line divides another in two equal parts, it is called a bisector. If the bisector happens to cross the other line at right angles, it is called a perpendicular bisector.
numerator and denominator
the answere to the question isTropic of CANCER.not Capricorn I get them confusesd
The answer depends on how many equal parts there are.
Grads or Gradians!
Cook Straight
Exterior angle.
It is called a great circle. The equator is an example.
Square.
Hemispheres