Math

the three vertices of rectangle ABCD are A(2, 1) , B(6, 1) , C(6, 4).Find the coordinates of D. Please help me,thank you.

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asked by Lydia
  1. note that A and B are on the same horizontal line.

    So, D must also be in line vertically with A and horizontally with C, at (2,4)

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    posted by Steve

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