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in Geometry and Algebra by (30.8k points)
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If A(2, –2), B(14, 10), C(11, 13) are the three vertices of a parallelogram ABCD write the coordinates of the fourth vertex

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A(2, –2), B(14, 10), C(11, 13). 

Difference of x coordinates of A and B = 14 – 2 = 12. 

x coordinate of D = 11 – 12 = 1. 

Difference of y coordinates of A and B= 10 – (–2) = 12 

y coordinates of D =13 – 12 = 1 

Coordinates of D = (–1, 1)

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