Wednesday, February 23, 2011

Rotation and Area Relationship

  1. ABCD' is a square. What shape is IJKL? Justify your answer.
  2. What is the relationship between the area of ABCD' and IJKL?
  3. Move slider α to the extreme right to verify your answer.

This is a Java Applet created using GeoGebra from - it looks like you don't have Java installed, please go to

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