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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:280AK GHM

Order: 19

Horizontal side: 280 Vertical side: 280

Elements: 8, 7√2, 10, 14, 18, 14√2, 18√2, 21√2, 36, 44, 52, 44√2, 88, 104, 88√2, 96√2, 104√2, 176, 140√2.

Code: 1765 0 104 1404 140 140 966 184 184 443 184 140 525 184 132 361 176 140 182 194 122 81 184 140 101 194 132 142 208 118 214 215 111 440 236 132 183 194 104 143 208 104 72 215 111 1045 0 0 1044 104 0 880 192 88 881 280 88

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)

176
140√2
96√2
44
52
36
18√2
8
10
14√2
21√2
44√2
18
14
7√2
104
104√2
88√2
88