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

Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:184AX3of4 GHM

Order: 19

Horizontal side: 184 Vertical side: 184

Elements: 2, 2√2, 4, 4√2, 6, 5√2, 8, 10, 18, 23√2, 46, 64, 46√2, 69, 74, 64√2, 69√2, 115, 120.

Code: 1205 0 64 1151 115 184 697 115 184 696 115 115 232 138 92 183 138 74 462 184 46 56 115 69 107 120 74 46 126 70 87 130 74 743 138 0 63 126 64 45 126 66 25 126 64 24 128 64 645 0 0 644 64 0 463 184 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)

120
115
69
69√2
23√2
18
46√2
5√2
10
4√2
8
74
6
4
2
2√2
64
64√2
46