Two vertices of a right triangle have coordinates (20, 15) and (20, 27) . the segment that connects these points is a leg of the triangle.
which coordinate pair for the third vertex would create a right triangle?
(7, 27)
(20, 32)
(27, 20)
(20, 20)

The third vertex would be (7,27)
If you used another point with an x value of 20 it would make a vertical line with the other 2 points. This leaves only 2 options. The (27,20) is not horizontal with either of the two given points.

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