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

Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:145AB GHM

Order: 19

Horizontal side: 145 Vertical side: 145

Elements: 4√2, 8, 8√2, 12√2, 17, 20, 24, 20√2, 24√2, 34, 37, 34√2, 37√2, 54, 40√2, 71, 74, 54√2, 91.

Code: 917 0 145 713 91 74 547 91 145 546 91 91 175 91 74 206 0 54 82 28 66 81 28 74 42 32 70 404 68 34 743 108 0 372 145 37 120 32 70 247 20 58 240 44 58 205 0 34 373 145 0 345 0 0 344 34 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)

91
71
54
54√2
17
20√2
8√2
8
4√2
40√2
74
37√2
12√2
24
24√2
20
37
34
34√2