Proof Without Words
Drag the points in the sketch below.[br]What do you notice? What does this prove? How does this prove it?
'Tangram' Puzzle 'Cat'
Use all geometric shapes below in order to recreate the cat shown. You can translate the shapes by dragging the blue points. You can rotate the shapes by dragging the green points with the mouse. Click the little icon in the upper right corner in order to reset the worksheet and start over.