Download or read book Piano-Hinged Dissections written by Greg N. Frederickson and published by CRC Press. This book was released on 2006-11-30 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt: A dissection involves cutting a polygon into pieces in such a way that those pieces form another polygon; for a hinged dissection, the pieces must be attached by hinges. A piano hinge is "a long narrow hinge with a pin running the entire length of its joint." So, unlike regular hinged dissections, which swing or twist (around single point of hinge)