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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:112AB GHM

Order: 18

Horizontal side: 112 Vertical side: 112

Elements: 10√2, 15, 18, 20, 21, 15√2, 19√2, 20√2, 30, 36, 37, 38, 45, 36√2, 37√2, 38√2, 55, 57.

Code: 385 0 74 384 38 74 573 76 55 367 76 112 366 76 76 215 76 55 372 37 37 194 19 55 181 37 55 555 37 0 451 82 55 157 82 55 150 97 55 307 82 40 206 92 20 373 37 0 106 82 10 205 92 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)

38
38√2
57
36
36√2
21
37√2
19√2
18
55
45
15
15√2
30
20√2
37
10√2
20