Graphical Method of Solving Linear Programming Problems
A 1, 0, B -2,...
Question
A(1,0),B(−2,0) and D(1,−3) are the vertices of a square ABCD. By plotting the given points on a graph paper, find the co-ordinates of the unknown vertex C.
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Solution
Mark the points A,B,D. Extend the sides to meet at C. Hence, C=(−2,−3)