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hsn kmr Grade: 12
        

if (-2,1) and (3,2) are the vertices of a parallelogram , the equation of diagonal is x+y+1=0 and the length of a side is 6 units . Find the other two vertices of the parallelogram .

6 years ago

Answers : (1)

aman bansal
askIITians Faculty
33 Points
										

since the distance b/w the two given vertices is not 6. this implies that the other side let(x,y) will be 6


thus we can get two conditions


(x+2)2 + (y-1)2 = 36


&  x+y+1=0


thus by solving these two equations we can get one of the vertices


then the remaining vertices can be evaluated by distance formula or any other method


 


 

6 years ago
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