Chat with our AI personalities
It is a ray.
They have a starting point, end point, definite length, they connect 2 points, they have a definite slope, they do not always have a y- intersect or x- intersect.
Depends on a concave what. There can be infinitely many right angles in concave shape that keeps going in and out before returning to its starting point.
Infinitely many.
Infinitely many.