AngliaCampus : Construction

Classic problems

To square the circle

1. Squaring the parallelogram

Please enable Java for an interactive construction (with Cinderella).	Please enable Java for an interactive construction (with Cinderella).
	Please enable Java for an interactive construction (with Cinderella).

2. Triangling the quadrilateral

Please enable Java for an interactive construction (with Cinderella).	Please enable Java for an interactive construction (with Cinderella).
	Please enable Java for an interactive construction (with Cinderella).

3. Squaring the triangle

Please enable Java for an interactive construction (with Cinderella).	Please enable Java for an interactive construction (with Cinderella).
	Please enable Java for an interactive construction (with Cinderella).

Note
Though it is possible to square any quadrilateral (in fact any polygon), it would seem natural to try to square the circle. This is impossible, due to the difficulty in constructing a length of p units.