Geometryeasy · Past Paper

The points (1, 1), (2, 2), and (3, 3) are:

AVertices of a triangle
BCollinear
CConcyclic
DNone of these

✓ Correct Answer: BCollinear

Slopes: (2-1)/(2-1) = 1 and (3-2)/(3-2) = 1. Since slopes are equal and they share a point, they are collinear.

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