Three collinear points don't define a plane.
"Define" means narrow it down to one and only one unique plane, so that it can't be confused with any other one.
There are many different planes (actually infinite) that can contain three collinear points, so no unique plane is defined.
No, they have to be noncolinear, that is they all can't be on the same line.
I dont think that "If four points are collinear they are also coplaner," is the same thing as "If four points are coplaner they are also collinear,". The definition of collinear is at least three points on the same line. To define a plane is to have threenoncollinear points.
To create a plane, infinitely many. But to uniquely define one, 3 are enough.
The points are collinear, and there is an infinite number of planes that contain a given line. A plane containing the line can be rotated about the line by any number of degrees to form an unlimited number of other planes.If, on the other hand, the points are not collinear, then the plane has no wriggle room: it is stuck fast in one place - there can be only one plane containing all the points. Provided they are non-colinear, three points will define a plane.
There are an infinite number of any kind of points in any plane. But once you have three ( 3 ) non-collinear points, you know exactly which plane they're in, because there's no other plane that contains the same three non-collinear points.
Three
A unique plane is defined by three non-collinear points. This means that the points must not all lie on the same straight line. If the three points are collinear or if only two points are given, they do not suffice to define a unique plane. Thus, the key restriction is that the three points must be non-collinear.
Yes. You require three non-collinear points to uniquely define a plane!
To determine the plane that contains points E, F, and G, we need to know their specific coordinates or how they are related in a geometric context. If these points are not collinear, they define a unique plane in three-dimensional space. If they are collinear, they do not define a plane by themselves. Please provide additional information about the points for a precise answer.
No, they have to be noncolinear, that is they all can't be on the same line.
I dont think that "If four points are collinear they are also coplaner," is the same thing as "If four points are coplaner they are also collinear,". The definition of collinear is at least three points on the same line. To define a plane is to have threenoncollinear points.
Any three non-collinear points will define a single plane. A plane is composed of an infinite number of distinct lines.
Yes, three non-collinear points are contained in exactly one plane. By definition, non-collinear points do not all lie on the same straight line, which allows them to define a unique plane. In geometry, any three points that are not collinear will always determine a single plane in which they lie.
True. If four points are collinear, they all lie on the same straight line, which means they can also be contained within a single plane. In geometry, any set of collinear points is inherently coplanar, as you can always define a plane that includes them.
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.
Yes. In fact any three points that are not collinear define a plane and therefore MUST lie on a plane.
Three non-collinear points always define exactly one and only one plane. That's why a 3-legged table or chair never wobbles.