ABCDE is a polygon whose vertices are A(-5,1) B(4,0) C(4,4) D(0,7) E(-6,2) find area of the polygon?
Doubt1:
join a to c and c to e u will fimd 3 triangle find their area by the formula of area of triangle
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first of divide the polygon into 3 triangles ,triangleABE,triangleBCD,triangleBED now using the formula for area of traingle :1/2(X1(y2-y3) +X2(y3-y1)+X3(y1-y2)).After getting the area of the three triangles add them and you will get the area of the polygon
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