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Questions on the area of a triangle:    (x1,y1)       (x2,y2)           (x3,y3)
Find the area of the triangle abc  where a(,),  b(,)and c(,)

1/2 ¦ (-)+(-)+(-
1/2 ¦ ++¦          
1/2 ¦ ¦ = units
Enter your answer here to the nearest one place of decimals
    


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