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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:225AA GHM

Order: 19

Horizontal side: 225 Vertical side: 225

Elements: 6, 6√2, 9, 11, 12, 9√2, 11√2, 12√2, 22, 22√2, 53, 53√2, 77, 86, 95, 77√2, 86√2, 139, 148.

Code: 1485 0 77 1391 139 225 867 139 225 866 139 139 222 161 117 223 161 95 112 172 106 113 172 95 532 225 53 97 139 95 96 139 86 125 148 83 124 160 83 953 172 0 65 148 77 64 154 77 775 0 0 774 77 0 533 225 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)

148
139
86
86√2
22√2
22
11√2
11
53√2
9
9√2
12
12√2
95
6
6√2
77
77√2
53