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Primitive Perfect Isosceles Right Triangled Square

Title: _r 18:55AE4of4 GHM

Order: 18

Horizontal side: 55 Vertical side: 55

Elements: 4, 5, 4√2, 6, 5√2, 8, 6√2, 10, 8√2, 14, 15, 16, 20, 15√2, 25, 30, 35, 25√2.

Code: 357 0 55 303 35 25 207 35 55 163 55 39 46 35 35 85 39 31 84 47 31 143 55 25 45 35 31 65 35 25 64 41 25 56 0 20 105 5 15 254 30 0 253 55 0 55 0 15 157 0 15 150 15 15

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)

35
30
20
16
4√2
8
8√2
14
4
6
6√2
5√2
10
25√2
25
5
15
15√2