Geometric Dissections

added already alternative angle appear Appendix applies assembly better centers Chapter coincident combination common area cube decagon described dimensions dissection divided dodecagon drawing easily easy economical edges eight equal example existing faces Figure five four pieces further give given golden rectangle Greek cross heptagon hexagon hexagram illustrated included indicates join kind Latin cross length lines marked method midpoints n-gon namely nine-gon number of pieces obtained octagon P-slide pairs parallel pass pentagon period parallelogram pieces points polygons position possible problem Puzzles quadrilaterals rational rearrangement rectangle referred regular relation relative requires respectively rotation S-dissection seen seven shown in Fig shows side similar simple single slide solid square star strip element strip of squares superposed superposition symmetry T-strip tessellation element tion trapezoids trial triangle turned units vertical width