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

Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:160AX1of2 GHM

Order: 18

Horizontal side: 160 Vertical side: 160

Elements: 2√2, 4, 4√2, 7√2, 14, 14√2, 16√2, 28, 22√2, 36, 44, 36√2, 58, 44√2, 51√2, 58√2, 102, 80√2.

Code: 1025 0 58 804 80 80 366 124 124 443 124 80 365 124 88 42 128 84 41 128 88 22 130 86 164 144 72 446 116 44 140 130 86 224 102 58 143 116 58 287 116 72 585 0 0 584 58 0 76 109 51 510 109 51

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)

102
80√2
36√2
44
36
4√2
4
2√2
16√2
44√2
14√2
22√2
14
28
58
58√2
7√2
51√2