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Primitive Perfect Isosceles Right Triangled Square

Title: _r 19:330AC4of4 GHM

Order: 19

Horizontal side: 330 Vertical side: 330

Elements: 7√2, 14, 18√2, 36, 26√2, 36√2, 40√2, 46√2, 66, 72, 54√2, 92, 66√2, 72√2, 132, 158, 172, 132√2, 165√2.

Code: 1727 0 330 726 100 258 1587 172 330 1656 165 165 546 46 204 725 100 186 460 46 204 365 100 150 364 136 150 143 172 172 400 158 172 74 165 165 927 0 158 260 92 158 184 118 132 666 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
72√2
158
165√2
54√2
72
46√2
36
36√2
14
40√2
7√2
92
26√2
18√2
66√2
132
132√2
66