Euclid's first four postulates are:
He also had the fifth postulate, equivalent to the parallel postulate. There are various equivalent versions.
The fifth postulate cannot be proven and, in fact, it is now known that it cannot be proven and that there are many internally-consistent geometries in which the negations of this postulate are true.
If two points are in a plane, then the line that contains the points is in that plane
Points and lines on the same plane are coplanar.
If the question is .. " Points and lines in the same plane "? then the anwser is COPLANER
Points or lines that lie on the same plane are coplanar.
There can be any number of points on a plane, or even on a line - and any number of lines on a plane.
If two points are in a plane, then the line that contains the points is in that plane
Points and lines on the same plane are coplanar.
If the question is .. " Points and lines in the same plane "? then the anwser is COPLANER
Yes they are. It's a postulate: In a plane two lines perpendicular to the same line are parallel.
Points or lines that lie on the same plane are coplanar.
There can be any number of points on a plane, or even on a line - and any number of lines on a plane.
Points on the same plane are coplanar lines.
The lines are PARALLEL.
There are 91 lines.
points that lines in the same plane are coplanor
Yes- planes contain infinitely many points and every pair of points in plane determine a line in that plane, so every plane contains infinitely many lines.
The flat plane Postulate, shows another way that one dimensional object relate to the two-dimensional plane.