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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:398AA GHM

Order: 19

Horizontal side: 398 Vertical side: 398

Elements: 4, 4√2, 8, 8√2, 12√2, 14√2, 28, 28√2, 42, 68, 55√2, 68√2, 110, 152, 110√2, 178, 165√2, 178√2, 288.

Code: 2887 0 398 680 288 398 681 356 398 282 384 370 421 398 398 283 384 342 142 398 356 1786 220 178 47 356 342 40 360 342 124 372 330 87 356 338 80 364 338 1656 55 165 1527 220 330 1785 220 0 550 55 165 1107 0 110 1100 110 110

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)

288
68√2
68
28√2
42
28
14√2
178√2
4
4√2
12√2
8
8√2
165√2
152
178
55√2
110
110√2