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

Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:190AP1of4 GHM

Order: 19

Horizontal side: 190 Vertical side: 190

Elements: 3√2, 6, 6√2, 12, 9√2, 11√2, 12√2, 22, 21√2, 22√2, 42, 53, 42√2, 62, 74, 95, 74√2, 116, 95√2.

Code: 1165 0 74 954 95 95 953 190 95 214 116 74 110 137 95 531 190 95 220 126 84 221 148 84 422 190 42 747 0 74 740 74 74 94 83 65 66 86 68 125 92 62 124 104 62 36 83 65 65 86 62 621 148 62 423 190 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)

116
95√2
95
21√2
11√2
53
22√2
22
42√2
74
74√2
9√2
6√2
12
12√2
3√2
6
62
42