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

Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:148EP GHM

Order: 19

Horizontal side: 148 Vertical side: 148

Elements: 3√2, 6, 6√2, 7√2, 9√2, 18, 15√2, 22, 19√2, 30, 22√2, 26√2, 33√2, 48, 52, 48√2, 74, 100, 74√2.

Code: 1005 0 48 744 74 74 743 148 74 264 100 48 196 107 55 222 148 52 221 148 74 70 107 55 523 148 0 487 0 48 480 48 48 334 81 15 183 114 30 92 123 39 30 123 39 60 120 36 61 126 36 156 81 15 307 96 30

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)

100
74√2
74
26√2
19√2
22√2
22
7√2
52
48
48√2
33√2
18
9√2
3√2
6√2
6
15√2
30