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

Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:178AQ GHM

Order: 19

Horizontal side: 178 Vertical side: 178

Elements: 3, 3√2, 6, 6√2, 8√2, 12, 16, 12√2, 16√2, 24, 32, 45, 48, 65, 77, 89, 101, 77√2, 89√2.

Code: 1015 0 77 894 89 89 893 178 89 124 101 77 123 113 77 62 119 83 651 178 89 63 119 77 32 122 80 33 122 77 485 122 32 777 0 77 770 77 77 451 122 77 321 154 32 162 170 16 161 170 32 82 178 24 243 178 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)

101
89√2
89
12√2
12
6√2
65
6
3√2
3
48
77
77√2
45
32
16√2
16
8√2
24