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Graph the following points on a coordinate graph: , , , . Connect the points as you plot them. Then connect point to point .  

  1. Describe the shape you have created.

    There is only one pair of parallel sides.

  2. Identify the types of angles at points , , , and .

    Notice that lines and are perpendicular to line .

Use the eTool below to plot the points.
Click the link at right for the full version of the eTool: