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

7-123.

On graph paper, graph lines  and  if  can be represented by  and  can be represented by . Label their intersection .  

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

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

  2. If is a midpoint of , what type of quadrilateral could be? Is there more than one possible type? Explain how you know.

    The diagonals are perpendicular. At least one of the diagonals is bisected.