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A quadrilateral has vertices A(8,2), B(6,-4), and C(-5,-4). Find the coordinates of D.Parallelogram ABCD has vertices A(8,2), B(6,-4), and C (-5,-4). Find the coordinates of D

Sagot :

Given:

A parallelogram has vertices A(8,2), B(6,-4), and C(-5,-4).

To find the coordinates of D:

Let us draw the diagram first.

Since the opposite sides are parallel and equal.

Therefore,

A=B+

A=(6,-4)+(2,6)

A=(8,2)

Similarly,

D=C+(2,6)

D=(-5,-4)+(2,6)

D=(-3,2)

Hence, the coordinates of D is (-3,2).

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