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

Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:170AP GHM

Order: 19

Horizontal side: 170 Vertical side: 170

Elements: 16, 13√2, 15√2, 16√2, 30, 32, 24√2, 30√2, 32√2, 35√2, 37√2, 56, 60, 64, 70, 50√2, 80, 60√2, 70√2.

Code: 807 0 170 643 80 106 602 140 110 601 140 170 302 170 140 301 170 170 706 100 70 166 0 90 325 16 74 324 48 74 563 80 50 165 0 74 372 37 37 244 24 50 356 65 35 705 100 0 134 37 37 500 50 50 154 65 35

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)

80
64
60√2
60
30√2
30
70√2
16√2
32
32√2
56
16
37√2
24√2
35√2
70
13√2
50√2
15√2