Full circle
Archimedes’ half-sector
Inscribed
Circle
Circumscribed
Regular polygon
6
sides
Lower bound
n sin(180°/n)
3.000000
Upper bound
n tan(180°/n)
3.464102
3.0000
< π <
3.4641
Gap between bounds:
0.464102
6
12
24
48
96
Play the progression