Originally Posted by

**ebaines** Definitely a fail. His technique is to use a straight edge that has been marked with tick marks at 1, 2, 3, .... and use that to mark off distances like sqrt(pi). So no - this technique does not truly square the circle but rather gives an approximation. For exwemple, given a cicle of unknown radius he measure it with his ruler - say he gets 10.2 units radius, then 10.2 x sqrt(pi) = 18.08 (appoximately) - so he makes a square 18.08 units per side. Big whoop - the Greeks are safe.