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Primitive Perfect Isosceles Right Triangled Square

Title: ir 18:48AH7of7 GHM

Order: 18

Horizontal side: 48 Vertical side: 48

Elements: 2√2, 3, 4, 3√2, 4√2, 6, 8, 9, 10, 9√2, 10√2, 18, 20, 15√2, 22, 18√2, 26, 30.

Code: 307 0 48 263 30 22 187 30 48 186 30 30 152 45 15 40 4 22 41 8 22 22 10 20 221 30 22 106 0 10 205 10 0 87 0 18 63 45 9 32 48 12 33 48 9 105 0 0 90 39 9 91 48 9

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)

30
26
18
18√2
15√2
4√2
4
2√2
22
10√2
20
8
6
3√2
3
10
9√2
9