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A plane can be determined by three points, as long as the three points do not lie along a single line.

Q: How many points are needed to determine a unique plane?

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Three

3 points which do not all lie on the same line.

3

Any 3 points determine a plane.

a plane is any plane surface it usually have 3 or 4 points * * * * * You need only three points provided they are not collinear. And most planes have infinitely many points although there are geometries with only a finite number of points.

Related questions

Three

3 points which do not all lie on the same line.

No. If the four points are coplanar, they determine only one plane!

3

Two. Two points determine a line. Three points determine a plane.

A series of 3 points will always determine a plane unless 2 or all 3 points are identical points (they have the same coordinates).If the idea is to have the three points determine oneplane, a unique plane, then three points will do that as long as none of them have the same spacial coordinates (have identical locations) or as long as the three points do not lie on a single line.If a straight line can be drawn through all three points, they will not form one unique plane either.

In plane geometry, two points determines or defines one unique line.

Any 3 points determine a plane.

a plane is any plane surface it usually have 3 or 4 points * * * * * You need only three points provided they are not collinear. And most planes have infinitely many points although there are geometries with only a finite number of points.

To create a plane, infinitely many. To uniquely determine a plane, just three.

No. Three points do. Two points determine a line.

A series of 3 points will always determine a plane unless 2 or all 3 points are identical points (they have the same coordinates).If the idea is to have the three points determine oneplane, a unique plane, then three points will do that as long as none of them have the same spacial coordinates (have identical locations) or as long as the three points do not lie on a single line