Question

which figure is form by 4 colinar point​

Answer 1

Answer:

Four non-colinear points don't form any segments. If you meant, “How many segments can be formed by connecting four non-collinear points?”, that would be C(4, 2) = 4! / (2! * (4 - 2)!) = 4! / (2 * 2) = 6.

Answer 2

Answer:

A perfect square to form a 4 colliniar points