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Primitive Perfect Isosceles Right Triangled Square

Title: _r 18:148AP1of4 GHM

Order: 18

Horizontal side: 148 Vertical side: 148

Elements: 4, 4√2, 8, 6√2, 7√2, 8√2, 12, 14, 12√2, 14√2, 40, 54, 40√2, 47√2, 68, 54√2, 94, 74√2.

Code: 945 0 54 744 74 74 683 148 80 66 74 74 47 80 80 40 84 80 124 96 68 123 108 68 407 108 80 406 108 40 87 80 76 80 88 76 144 94 54 143 108 54 545 0 0 544 54 0 76 101 47 470 101 47

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)

94
74√2
68
6√2
4
4√2
12√2
12
40
40√2
8
8√2
14√2
14
54
54√2
7√2
47√2