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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:74AE GHM

Order: 18

Horizontal side: 74 Vertical side: 74

Elements: 4√2, 5√2, 8, 10, 8√2, 10√2, 11√2, 12√2, 20, 22, 24, 28, 30, 22√2, 24√2, 34, 25√2, 33√2.

Code: 347 0 74 240 34 74 241 58 74 122 70 62 84 66 66 83 74 66 44 70 62 336 41 33 106 0 40 207 10 50 256 5 25 287 30 50 105 0 30 110 41 33 305 0 0 54 5 25 227 30 22 220 52 22

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)

34
24√2
24
12√2
8√2
8
4√2
33√2
10√2
20
25√2
28
10
11√2
30
5√2
22
22√2