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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:308AE GHM

Order: 19

Horizontal side: 308 Vertical side: 308

Elements: 4, 10, 10√2, 13√2, 20, 26, 30, 24√2, 26√2, 48, 43√2, 48√2, 96, 106, 130, 154, 178, 130√2, 154√2.

Code: 1785 0 130 1544 154 154 1543 308 154 244 178 130 203 202 134 102 212 144 1061 308 154 103 212 134 965 212 48 43 182 130 307 182 134 436 169 91 1307 0 130 1300 130 130 264 156 104 263 182 104 134 169 91 484 260 0 483 308 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)

178
154√2
154
24√2
20
10√2
106
10
96
4
30
43√2
130
130√2
26√2
26
13√2
48√2
48