Pythagoras Theorem (1)

Pythagoras Theorem


Prove A1=A2 and A3=A4.


  • 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 arround the opposite vertex.
    3. move......Drag the red point on the center of the figure.