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

Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:148CU1of4 GHM

Order: 19

Horizontal side: 148 Vertical side: 148

Elements: 2√2, 4, 4√2, 8, 6√2, 10, 8√2, 10√2, 18, 18√2, 28, 23√2, 46, 56, 46√2, 51√2, 56√2, 92, 74√2.

Code: 925 0 56 744 74 74 516 97 97 230 97 97 184 92 56 100 110 74 101 120 74 285 120 46 26 98 62 47 100 64 46 100 60 85 104 56 84 112 56 183 120 46 60 98 62 565 0 0 564 56 0 460 102 46 461 148 46

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)

92
74√2
51√2
23√2
18√2
10√2
10
28
2√2
4
4√2
8
8√2
18
6√2
56
56√2
46√2
46