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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:330AF GHM

Order: 19

Horizontal side: 330 Vertical side: 330

Elements: 7√2, 14, 18, 18√2, 36, 26√2, 36√2, 40√2, 46√2, 66, 72, 92, 66√2, 126, 132, 158, 172, 132√2, 165√2.

Code: 1727 0 330 1263 172 204 1587 172 330 1656 165 165 460 46 204 721 118 204 362 154 168 361 154 204 182 172 186 181 172 204 143 172 172 400 158 172 74 165 165 927 0 158 260 92 158 666 0 66 1327 66 132 1320 198 132 665 0 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)

172
126
158
165√2
46√2
72
36√2
36
18√2
18
14
40√2
7√2
92
26√2
66√2
132
132√2
66