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    two sides of a triangle are formed by vectors a=3i+6j-2k and B=4i-j+3k determine the area of tringle ?
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    (Original post by Aveenash Raja)
    two sides of a triangle are formed by vectors a=3i+6j-2k and B=4i-j+3k determine the area of tringle ?
    So, what's the formula for the area of a triangle?
 
 
 
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