Question

If A(-5,7),B(-4,-5),C(-1,-6) and D (4,5) are the vertices is a quadrilateral, find the area is the quadrilateral ABCD
Fast plz

Answer 1

SOLUTION IS IN THE ATTACHMENT


Area of a quadrilateral:



To find the area of a quadrilateral first we divide it into triangular region which have no common area. Then find the area of a triangular region separately and add them to get the required area of the given quadrilateral.


Here,We find the area of triangle by using the given Formula.



Area of ∆ = ½ | x1 (y2-y3)+x2(y3-y1)+x3(y1-y2) | sq units.



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