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Primitive Perfect Isosceles Right Triangled Square

Title: ir 18:48AH1of7 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: 305 0 18 261 26 48 227 26 48 203 48 28 20 28 28 104 38 18 103 48 18 47 26 26 46 26 22 85 30 18 92 9 9 91 9 18 37 9 18 30 12 18 184 30 0 183 48 0 67 9 15 150 15 15

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