contestada

The perimeter of the square WXYZ is 20 units. The coordinates of three of the vertices care W(3, 2), C(3, 7), and Y(8, 7). What are the coordinate or vertex Z?

A. (8, -2)
B. (-8, 2)
C. (8, 2)
D. (-8, -2)

Respuesta :

C. (8, 2)

If you subtract the y-difference of X-W from Y you receive Z:
7-2=7-y
y=2

because the length WX and YZ are parallel you know that the x coordinate of Z must match the one of Y, so you get (8,2)

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