Polster (mathematics, Monash U., Australia) sets out in simple language and diagrams some of the most famous mathematical proofs. Among them are Pythagoras' rig... » 

Polster (mathematics, Monash U., Australia) sets out in simple language and diagrams some of the most famous mathematical proofs. Among them are Pythagoras' right triangle, Chinese pyramids, Archimedes' method for finding the area of a circle and the volume of a sphere, secrets of pi , and why squaring a circle really is possible. He does not suppl «