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Primitive Perfect Isosceles Right Triangled Square

Title: _r 18:55AE3of4 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 25 165 35 39 201 55 55 145 35 25 84 43 31 83 51 31 42 55 35 43 55 31 64 49 25 63 55 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
16
20
14
8√2
8
4√2
4
6√2
6
5√2
10
25√2
25
5
15
15√2