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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:248AL GHM

Order: 19

Horizontal side: 248 Vertical side: 248

Elements: 10, 9√2, 10√2, 18, 20, 18√2, 30, 38, 30√2, 44√2, 68, 70, 53√2, 62√2, 106, 80√2, 124, 142, 124√2.

Code: 1427 0 248 683 142 180 1067 142 248 1246 124 124 300 74 180 301 104 180 205 104 160 381 142 180 105 104 150 104 114 150 806 44 80 182 142 142 446 0 106 707 44 150 1245 124 0 532 53 53 185 44 62 94 53 53 620 62 62

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)

142
68
106
124√2
30√2
30
20
38
10
10√2
80√2
18√2
44√2
70
124
53√2
18
9√2
62√2