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

Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:159AA GHM

Order: 19

Horizontal side: 159 Vertical side: 159

Elements: 6√2, 15√2, 24, 26, 30, 24√2, 26√2, 38, 30√2, 52, 38√2, 54, 57, 45√2, 64, 69, 51√2, 76, 57√2.

Code: 697 0 159 543 69 105 267 69 159 260 95 159 641 159 159 527 69 133 763 121 57 382 159 95 156 0 90 307 15 105 306 15 75 242 69 81 241 69 105 383 159 57 452 45 45 62 51 51 574 102 0 573 159 0 510 51 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)

69
54
26
26√2
64
52
76
38√2
15√2
30
30√2
24√2
24
38
45√2
6√2
57√2
57
51√2