The model illustrates the geometrical proof of the Pythagorean theorem.
Radio buttons "Change", "Demo" and "Build" allow selecting mode.
In the Change mode you can change a leg of the triangle. Pick up a vertex of a sharp angle (cursor changes its shape) and transform the triangle.
In the Demo mode the model demonstrates the geometrical proof of the Pythagorean theorem. Click the Run button and observe the proofing.
In the Build mode you may proof the theorem in the same manner as in the Demo mode. Move rightangle triangles using the drag and drop technique, rearrange triangles in the square and proof the theorem.
You need to install ActiveX plugin to be able to view this model.
You can download it here.
