plot the point (2,3),(6,3) and (4,7) in a graph sheet. join them to make it a triangle. find the area of the triangle.
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Area of traiangle =1/2{ x1(y2-y3)+x2(y3-y1)+x3(y1-y2)}
=1/2{2(3-7)+6(7-3)+4(3-3)}
=1/2{-8+24+0}
=-16
=16 sq. Units (since area will not be in - ve)
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