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

Primitive Perfect Isosceles Right Triangled Square

Title: dr 19:148CC3of4 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 82 112 66 441 148 74 83 112 58 42 116 62 166 100 46 325 116 30 597 0 59 590 59 59 291 88 59 17 88 59 285 88 30 124 100 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
8√2
44
8
4√2
16√2
32
59
59√2
29
1
28
12√2
30√2
30