# Prove that the points (2, 3), (-4, -6) and (1, 3/2) do not form a triangle.

Let the Vertices of a triangle ABC are: A(2, 3), B(-4, -6) and C(1, 3/2)

Length of side AB =

Length of side AB = = = units

Length of side BC = = = units

Length of side AC = = = units

The given vertices do not form a triangle, since sum of two sides of a triangle are not greater than third side.

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