It's conventional, rather than compulsory.
False ( apex )
Non collinear refers to three or more points that are not all on the same straight line.
Infinitely many. There are infinitely many points in the plane and although any pair of points define a line, no matter how many lines you are given, it is always possible to find a point that is not on any of them - that is, a point that is not collinear.
5
A circle
False ( apex )
False. * * * * * No, it is true. It is false if the line is a vector but not otherwise.
False.
If you are given a plane, you can always find and number of points that are not in that plane but, given anythree points there is always at least one plane that goes through all three.
Normally, you would do this, but there are exceptions. For example, the sides of a triangle are ab=10, bc=12, ca=15.
A contour interval for a given topographic map always the same is true; not false.
false
False
Non collinear refers to three or more points that are not all on the same straight line.
You do not get points on a dunk that was called for charging normally. There may be times when it has been given though.
False.
It is false, that the Statue of Liberty was given to the US by England. The Statue of Liberty was given to the US by France.