The area of a triangle is 5 square units. Two of its vertices are (2,1) and (3,-2). The third vertex lies on y-x+3=0. Find the vertex.
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on applying the formula of the area of triangle then we can find the cooridates of the third vertices in the form of the equation 3x+y=-3
and by the given equation we can see that both of them are equal so x=0 and y=-3
and by the given equation we can see that both of them are equal so x=0 and y=-3
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