Squaring.net >> IRTS >> NPIRTSS >> Order 10

Non-ultraperfect Perfect Isosceles Right Triangled Square

Title: _ 10:20PA5of8

Order: 10

Horizontal side: 20 Vertical side: 20

Elements: 1, 1√2, 2, 3, 4, 3√2, 5√2, 10, 10√2, 20.

Code: 207 0 20 106 10 10 103 10 0 32 13 7 33 13 4 25 13 5 15 13 4 14 14 4 50 15 5 47 10 4

The fact that every NPIRTS has a subdivided triangle is not recorded as a property. The properties below may precede order:side in a tiling's title:

Credit for Discovery

Jasper D. Skinner found many NPIRTS's before this catalogue was built by Geoffrey H. Morley. Only the two lowest order NPIRTS's are attributed to discoverers:

J. Douglas and E.P. Starke (D&S, United States) (7:10PA only)

Arthur H. Stone (AHS, United States, 1916-2000) (7:7PA only)

20
10√2
10
3√2
3
2
1
1√2
5√2
4