M²

θ

10

12

14

16

18

0

3.48092

3.72052

3.95283

4.17731

4.39396

p/6

3.13413

3.32258

3.50862

3.69093

3.86880

p/4

2.75359

2.88036

3.00984

3.14014

3.26997

p/3

2.32825

2.37645

2.43167

2.49213

2.55639

p/2

1.84083

1.77992

1.72484

1.67471

1.62881