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

Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:160AO GHM

Order: 19

Horizontal side: 160 Vertical side: 160

Elements: 11√2, 16, 20, 22, 16√2, 24, 20√2, 32, 23√2, 24√2, 34, 46, 34√2, 36√2, 46√2, 68, 80, 92, 80√2.

Code: 925 0 68 804 80 80 803 160 80 234 103 57 340 126 80 341 160 80 685 0 0 364 36 32 200 72 68 201 92 68 112 103 57 160 52 48 161 68 48 242 92 24 241 92 48 227 92 46 460 114 46 461 160 46 321 68 32

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)

92
80√2
80
23√2
34√2
34
68
36√2
20√2
20
11√2
16√2
16
24√2
24
22
46√2
46
32