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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:125AB GHM

Order: 18

Horizontal side: 125 Vertical side: 125

Elements: 3√2, 5√2, 10, 14, 10√2, 15, 14√2, 20, 21, 28, 20√2, 21√2, 28√2, 50, 56, 52√2, 55√2, 90.

Code: 907 0 125 200 90 125 201 110 125 102 120 115 151 125 125 103 120 105 52 125 110 556 70 55 563 70 49 507 70 105 32 73 52 520 73 52 146 0 35 285 14 21 284 42 21 145 0 21 215 0 0 214 21 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)

90
20√2
20
10√2
15
10
5√2
55√2
56
50
3√2
52√2
14√2
28
28√2
14
21
21√2