|
|
|
|
|
|
1/6 circle or sixth circle is equal to 360°/6 = 60°. Plural name is sixth circles.
A angular mil is the unit of angular measurement equal to 1/6400 of a complete circle. At 1000 metres one mil subtends about one metre (~0,98 m). Also 1/6000 and 1/6300 are used in other countries.