Area of a triangle.

Asked by  | 27th Mar, 2009, 04:22: PM

Expert Answer:

Area of triangle,A=1/2| (ab)|=1/2|(( i + j + k ) ( i - 3j - 4k))| =1/2| -i+5j-4k|=(42)0.5 /2

Answered by  | 28th Mar, 2009, 02:42: PM

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