Squaring.net >> IRTS >> PPIRTSS >> Order 19

Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:218BN5of8 GHM

Order: 19

Horizontal side: 218 Vertical side: 218

Elements: 8, 8√2, 16, 20, 16√2, 24, 20√2, 32, 40, 46, 33√2, 40√2, 46√2, 66, 86, 66√2, 86√2, 99√2, 152.

Code: 1527 0 218 336 119 185 667 152 218 666 152 152 990 119 185 206 0 66 405 20 46 404 60 46 80 100 86 81 108 86 247 108 86 860 132 86 861 218 86 323 92 46 162 108 62 161 108 78 205 0 46 465 0 0 464 46 0

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)

152
33√2
66
66√2
99√2
20√2
40
40√2
8√2
8
24
86√2
86
32
16√2
16
20
46
46√2