def getAxialMargin(circleRadius, numberOfSides, polygonRadius):
 return ((polygonRadius * math.sin((math.pi / float(numberOfSides)))) - circleRadius)

def getAxialMargin ( circleRadius , numberOfSides , polygonRadius ) : return ( ( polygonRadius * math . sin ( ( math . pi / float ( numberOfSides ) ) ) ) - circleRadius )
get axial margin .