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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:214BS GHM

Order: 19

Horizontal side: 214 Vertical side: 214

Elements: 10√2, 11√2, 18, 20, 22, 18√2, 20√2, 22√2, 28√2, 41, 33√2, 56, 46√2, 66, 74, 74√2, 107, 140, 107√2.

Code: 1405 0 74 1074 107 107 1073 214 107 334 140 74 110 173 107 411 214 107 220 162 96 221 184 96 202 204 76 203 204 56 102 214 66 747 0 74 740 74 74 464 120 28 180 166 74 181 184 74 663 214 0 286 120 28 567 148 56

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)

140
107√2
107
33√2
11√2
41
22√2
22
20√2
20
10√2
74
74√2
46√2
18√2
18
66
28√2
56