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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:50AA GHM

Order: 18

Horizontal side: 50 Vertical side: 50

Elements: 1, 1√2, 2, 3, 3√2, 4√2, 5√2, 8, 10, 8√2, 14, 10√2, 12√2, 20, 24, 20√2, 21√2, 25√2.

Code: 252 25 25 214 21 29 46 38 46 87 42 50 86 42 42 120 38 46 56 21 29 145 26 20 241 50 34 23 25 23 12 26 24 13 26 23 30 23 23 31 26 23 200 20 20 201 40 20 102 50 10 103 50 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)

25√2
21√2
4√2
8
8√2
12√2
5√2
14
24
2
1√2
1
3√2
3
20√2
20
10√2
10