### Home > GC > Chapter 7 > Lesson 7.3.3 > Problem 7-123

7-123.

On graph paper, graph lines and

*. Label their intersection*

.

What is the relationship between the lines? How do you know?

Examine each line's slope to determine the relationship between the two lines.

If

is a midpoint of, what type of quadrilateral couldbe? Is there more than one possible type? Explain how you know.The diagonals are perpendicular. At least one of the diagonals is bisected.