Geometryeasy · Past Paper
The condition for three points (x1, y1), (x2, y2), and (x3, y3) to be collinear is that the area of the triangle formed by them must be:
APositive
BNegative
CZero
DInfinity
✓ Correct Answer: C — Zero
If three points lie on the same straight line, they cannot form a triangle, so the area is 0.
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