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

Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:178AE GHM

Order: 19

Horizontal side: 178 Vertical side: 178

Elements: 11√2, 19, 21, 17√2, 34, 38, 46, 34√2, 35√2, 38√2, 54, 59, 46√2, 70, 51√2, 73, 54√2, 62√2, 70√2.

Code: 705 0 108 704 70 108 593 140 119 387 140 178 386 140 140 215 140 119 460 81 119 461 127 119 342 161 85 341 161 119 172 178 102 542 54 54 354 35 73 516 127 51 191 54 73 737 54 73 116 116 62 620 116 62 543 54 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)

70
70√2
59
38
38√2
21
46√2
46
34√2
34
17√2
54√2
35√2
51√2
19
73
11√2
62√2
54