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

Primitive Perfect Isosceles Right Triangled Square

Title: dr 19:148CC4of4 GHM

Order: 19

Horizontal side: 148 Vertical side: 148

Elements: 1, 4√2, 8, 8√2, 16, 12√2, 15√2, 16√2, 28, 29, 30, 32, 30√2, 44, 59, 74, 59√2, 89, 74√2.

Code: 895 0 59 744 74 74 743 148 74 154 89 59 163 104 58 122 116 62 441 148 74 166 100 46 325 116 30 597 0 59 590 59 59 291 88 59 17 88 59 285 88 30 84 96 50 83 104 50 44 100 46 304 118 0 303 148 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)

89
74√2
74
15√2
16
12√2
44
16√2
32
59
59√2
29
1
28
8√2
8
4√2
30√2
30