Question

Which of the following are incorrect statements


1.Three non-
collinear points form a triangle

2.No three vertices of a quadrilateral are collinear

3. Any two vertices of a quadrilateral are non-collinear

4. Four non - collinear points form a quadrilateral



tell the meaning of collinear and non collinear

Answer 1

collinear means the points which make a straight line.

non collinear means the points which do not make a straight line.
like in the pic A,F,B are collinear
whereas G,H are non collinear....


therefore the option 3rd is incorrect........



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