Centers of the outer squares on the sides of a prallelogram.

Drag A (AC will be dragged).

The given parallelogram was built with points A, B, C as free points. Drag any of these points and observe the figure that joins the centers of the squares.

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Squares on parallelogram
Figure 15

Alfinio Flores
ASU

This is a prototype of JavaSketchpad, a World-Wide-Web component of The Geometer's Sketchpad. Copyright ©1990-1997 by Key Curriculum Press, Inc. All rights reserved. Portions of this work are being funded by the National Science Foundation (awards DMI 9561674 & 9623018).