# 360 Degrees In A Circle History

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### The longer answer involves babylonian astronomy.

360 degrees in a circle history. The sumerians and babylonians were known to use the sexagesimal numeral system. When it is pointed out that the babylonians counted to base 60 rather than base 10 as we do people often. Another theory that suggests why a full circle is considered to be 360 degrees comes from the babylonians.

This was because the chaldeans had calculated by observation and inference that a complete year numbered 360 days. It is not an si unit as the si unit of angular measure is the radian but it is mentioned in the si brochure as an accepted unit. In school we learn there are 360 degrees in a circle but where did the 360 come from.

The sexagesimal system is one with a base value of 60 whereas the current system we use is known as the decimal system and has a base value of 10. Anything else would be inconvenient in the base 10 system 1 2 5 10 sequence is most useful. As you probably know these days we humans like to divide a circle up into 360 pie shaped wedges.

In school we learn there are 360 degrees in a circle but where did the 360 come from. In school we learn there are 360 degrees in a circle but where did the 360 come from. This post is in partnership with history today.

When it is pointed out that the babylonians counted to base 60 rather than base 10 as we do people often ask if there is a connection. When it is pointed out that the babylonians counted to base 60 rather than base 10 as we do people often ask if there is a connection. A degree in full a degree of arc arc degree or arcdegree usually denoted by the degree symbol is a measurement of a plane angle defined so that a full rotation is 360 degrees.

A circle is a shape consisting of all points in a plane that are a given distance from a given point the centre. Each of these wedges contains an angle at its vertex and we say that the size of this angle is 1 degree as you also probably know degrees aren t the only way we can measure angles. The base 60 system of the babylonians requires 360 degrees for a full circle as a matter of ease of handling.

Equivalently it is the curve traced out by a point that moves in a plane so that its distance from a given point is constant the distance between any point of the circle and the centre is called the radius this article is about circles in euclidean geometry and in particular the.