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

Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:184AA GHM

Order: 19

Horizontal side: 184 Vertical side: 184

Elements: 15, 15√2, 19√2, 30, 36, 37, 38, 45, 36√2, 37√2, 38√2, 54, 45√2, 72, 73, 74, 57√2, 73√2, 74√2.

Code: 745 0 110 744 74 110 360 148 184 361 184 184 303 112 118 152 127 133 721 184 148 153 127 118 572 184 76 450 82 118 451 127 118 375 0 73 374 37 73 386 146 38 737 0 73 730 73 73 541 127 73 196 127 19 385 146 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)

74
74√2
36√2
36
30
15√2
72
15
57√2
45√2
45
37
37√2
38√2
73
73√2
54
19√2
38