CCGPS AG 1.9.3 Example 3

Author:
Walch Education, GeoGebra Materials Team
The midpoints of a triangle are , , and . Find the coordinates of the vertices of the triangle.
GeoGebra Applet
  1. Plot the midpoints on a coordinate plane.
  2. Connect the midpoints to form the midsegments , , and .
  3. Calculate the slope of each midsegment.
  4. Draw the lines that contain the midpoints.
  5. Determine the vertices of the triangle.

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