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Primitive Perfect Isosceles Right Triangled Square

Title: _r 18:55AE1of4 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 67 35 55 60 41 55 141 55 55 47 35 49 46 35 45 87 39 49 80 47 49 205 35 25 161 55 41 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
6
6√2
14
4
4√2
8
8√2
20
16
5√2
10
25√2
25
5
15
15√2