alleryThe area of a triangle whose three points are collinear is:
AHalf
BTwice
CUnit
DZero
Answer & Solution
Correct answer: D. Zero
1. Three collinear points all lie on one straight line.
2. No region is enclosed between them.
3. So the area of that triangle is zero.
_Source: syllabus Mathematics Part I, Chapter 4, Determinants._
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