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Primitive Perfect Isosceles Right Triangled Square

Title: _r 18:60AG4of4 GHM

Order: 18

Horizontal side: 60 Vertical side: 60

Elements: 2√2, 4, 3√2, 4√2, 6, 6√2, 12, 9√2, 15, 11√2, 18, 19, 15√2, 17√2, 26, 30, 34, 30√2.

Code: 345 0 26 304 30 30 303 60 30 44 34 26 183 38 12 92 47 21 114 49 19 156 45 15 265 0 0 174 17 9 20 47 21 193 45 0 47 45 19 155 45 0 36 17 9 67 20 12 66 20 6 127 26 12

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
30√2
30
4√2
18
9√2
11√2
15√2
26
17√2
2√2
19
4
15
3√2
6
6√2
12