Pythagoras Theorem (5)


Pythagoras Theorem


Activity

Prove A1=A2 and A3=A4.

Applet

How to use this applet

  • Select a rectangle by clicking "green" or "pink" radio button.
  • Select the transformation from "shift", "rotate", and "move".
    1. shift.....Drag the red points on the side.
    2. rotate....Drag the red points on the vertices. The figure rotates around the opposite vertex.
    3. move......Drag the red point on the center of the figure.