Two points will necessarily be on the same line, but no more than two can be on the same line if it's going to form a quadrilateral.
Tim D.
asked 09/27/20Explain any group of 4 points that do not determine a quadrilateral.
Will any four points in space determine a quadrilateral? Give examples and state characteristics of each that is possible. Explain any group of 4 points that do not determine a quadrilateral.
2 Answers By Expert Tutors

Jon S. answered 09/27/20
Patient and Knowledgeable Math and English Tutor
Not necessarily. The four points would have to be in the same plane and none of them on the same line.

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David W.
Two points determine a line. So -- "No more than two of the points on any line."09/27/20