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MA.912.G.3.3 Properties of Quadrilaterals

What You Need To Know...

Use coordinate geometry to prove properties of congruent, regular, and similar quadrilaterals.

  1. The benchmark will be assessed using MC (Multiple Choice) items.
  2. Items may include statements and/or justifications to complete formal and informal proofs.
  3. Graphics should be used for most of these items.

Example One

On the coordinate grid below, quadrilateral ABCD has vertices with integer coordinates.


Quadrilateral QRST is similar to quadrilateral ABCD with point S located at (5, -1) and point T located at (-1, -1).  Which of the following could be possible coordinates for point Q?

  1. (6, -4)
  2. (7, -7)
  3. (-3, -7)
  4. (-2, -4)


Additional Examples



Intro to Quadrilaterals

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Quadrilateral Properties

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Similar Quadrilaterals

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Trapezods and Kites

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Reference Sheet