Squaring.net >> IRTS >> PPIRTSS >> Order 18

Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:112BG JDS

Order: 18

Horizontal side: 112 Vertical side: 112

Elements: 1, 2, 2√2, 3, 4, 5, 5√2, 9, 14, 14√2, 28, 38, 28√2, 37√2, 38√2, 56, 74, 56√2.

Code: 745 0 38 564 56 56 563 112 56 144 70 42 143 84 42 287 84 56 286 84 28 41 74 42 22 76 40 54 79 37 53 84 37 23 76 38 35 76 37 385 0 0 384 38 0 13 76 37 370 75 37 91 84 37

The properties below may precede order:side in a tiling's title:

Credit for Discovery

Just three people are credited with the discovery of Primitive Perfects:

Geoffrey H. Morley (GHM, England)

Jasper D. Skinner, II (JDS, United States)

William T. Tutte (WTT, Canada, 1917-2002) (15:44AI, 17:136AJ and 19:56AJ only)

74
56√2
56
14√2
14
28
28√2
4
2√2
5√2
5
2
3
38
38√2
1
37√2
9