EXERCISEFindthe area of the triangle whose vertices – InterviewSolution

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1.	EXERCISEFindthe area of the triangle whose vertices
Answer» area of ∆ = 1/2\|(x1(y2-y3) +x2(y3-y1) +x3(y1-y2)\| = 1/2\|(2(0+4) + -1(-4-3) + 2(3-0)\| = 1/2\|8+7+6\| = 21/2 sq units.

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