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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:178AW3of4 GHM

Order: 19

Horizontal side: 178 Vertical side: 178

Elements: 5√2, 6√2, 10, 12, 10√2, 12√2, 15√2, 24, 18√2, 30, 24√2, 30√2, 50, 59, 74, 89, 104, 74√2, 89√2.

Code: 1045 0 74 894 89 89 893 178 89 154 104 74 50 119 89 591 178 89 100 114 84 101 124 84 242 148 60 747 0 74 740 74 74 501 124 74 243 148 36 302 178 30 125 124 24 124 136 24 186 130 18 303 178 0 64 130 18

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)

104
89√2
89
15√2
5√2
59
10√2
10
24√2
74
74√2
50
24
30√2
12
12√2
18√2
30
6√2