Question

area of quadrilateral formula in coordinate geometry
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Answer 1

Answer:

area of the quadrilateral ABCD is

 =  (1/2) ⋅ {(x1y2 + x2y3 + x3y4 + x4y1)  - (x2y1 + x3y2 + x4y3 + x1y4)}

in which (x1,y1) ; (x2,y2) ; (x3,y3) and (x4,y4) are the coordinates of the quadrilateral .

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