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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:230AW GHM

Order: 19

Horizontal side: 230 Vertical side: 230

Elements: 9√2, 18, 15√2, 18√2, 26, 30, 26√2, 27√2, 28√2, 30√2, 52, 54, 61, 45√2, 88, 115, 88√2, 142, 115√2.

Code: 1425 0 88 1154 115 115 1153 230 115 274 142 88 90 169 115 611 230 115 180 160 106 181 178 106 525 178 54 887 0 88 880 88 88 454 133 43 306 148 58 156 133 43 305 148 28 265 178 28 264 204 28 543 230 0 284 176 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)

142
115√2
115
27√2
9√2
61
18√2
18
52
88
88√2
45√2
30√2
15√2
30
26
26√2
54
28√2