Several points are given on the graph below.
a) A, B and C are three corners of a square.
Write the coordinates of the other corner, D.
b) D, E and F are three vertices of a parallelogram.
Write the coordinates of the other vertex.
Use D from part a).
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Take a point C on the graph such that ABCD is a square i.e., all sides AB,BC,CDandAD are equal.
So, abscissa of C should be equal to abscissa of B that is, −2 and ordinate of C should be equal to ordinate of D that is, −4. Hence, the coordinates of C are (−2,–4).
The graph obtained by plotting the points A,B,C,D is given below.
Attachments:
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