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

Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:160BB GHM

Order: 18

Horizontal side: 160 Vertical side: 160

Elements: 2, 2√2, 6, 8, 8√2, 14, 11√2, 18, 22, 18√2, 22√2, 40√2, 58, 51√2, 80, 58√2, 102, 80√2.

Code: 1025 0 58 804 80 80 803 160 80 224 102 58 86 116 72 185 124 62 184 142 62 406 120 40 143 116 58 85 116 64 67 116 64 20 122 64 21 124 64 116 109 51 227 120 62 585 0 0 584 58 0 510 109 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
80
22√2
8√2
18
18√2
40√2
14
8
6
2√2
2
11√2
22
58
58√2
51√2