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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:338AC GHM

Order: 19

Horizontal side: 338 Vertical side: 338

Elements: 16√2, 17√2, 20√2, 40, 40√2, 70, 60√2, 68√2, 70√2, 100, 102, 120, 85√2, 134, 136, 100√2, 102√2, 168, 134√2.

Code: 1687 0 338 1000 168 338 1001 268 338 702 338 268 701 338 338 1346 204 134 686 0 170 1365 68 102 1201 188 238 602 248 178 404 228 198 403 268 198 204 248 178 852 85 85 166 188 118 1345 204 0 174 85 85 1020 102 102 1021 204 102

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)

168
100√2
100
70√2
70
134√2
68√2
136
120
60√2
40√2
40
20√2
85√2
16√2
134
17√2
102√2
102