Question
Sat February 23, 2013 By:

The mid-points of sides AB, BC, CA of triangle ABC are D(2,1), E(1,0), F(-1,3), respectively. Find the coordinates of the vertices of triangle ABC.

Expert Reply
Sat February 23, 2013
Let the coordinates of A(x1,y1), B(x2,y2), C(x3,y3). 
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