圆弧多边形

variations of an admissible family of arcs closing of polygon polygon of velocities polygon of forces closure of force polygon diagonal of a polygon reflection arcs table of circular areas angle of a circular segment circular vector polygon voluntary arcs of closure sequence of arcs arcs of mandibular closure adjustive arcs of closure skeletal arcs of closure network of nodes and arcs closed polygon of force apothem of a regular polygon polygon circular flow of economy