Circle – 360 degrees. Why not 400? | Yahoo Answers

May 26, 2007 · An even 400 of those in a circle. Unfortunately, between the layman’s insistence on the degree and the mathematicians insistence on the radian, there isnt much use for the grad otherwise it probably would be more popular.

Status: Resolved

400 Degrees to a Circle – SOCNET: The Special …

Sep 09, 2004 · There are 360 degrees in a circle, and 60 minutes in a degree. By definition, one minute of arc at the surface of the earth ( a “great circle,” with the …

400 Degrees in a Circle? – 7daystodie.com

Jun 06, 2016 · A land navigation compass, like EVERY land and aviation navigation compass, has major tick marks in 10 degree increments. Period. So from due north, 90/E is 9 ticks to the right.

With the invention of the metric system, based on powers of ten, there was an attempt to replace degrees by decimal “degrees” called grad or gon, where the number in a right angle is equal to 100 gon with 400 gon in a full circle (1° = 10 ⁄ 9 gon).

Unit system: Non-SI accepted unit

What would happen to pi if there were 400 degrees in a

The number of degrees is irrelevant. Personally I don’t think having a 400 degree circle would make calculation easier in ordinary geometry. If you like nice whole number answers then 360 actually has more divisors than 400. However, there is a system with 400 degrees in a circle. Whatever is convenient – but the rules don’t change.

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Why has geometry not been ‘metricked’? Why 360 degrees

In fact degrees have been “metricated”, in engineering angles are often measured in radians, whereby the circumference of a circle is expressed as 2Π Radians. Angular measurement in degrees or radians is given in reference to a circle, 360 degrees or 2 Pi radians being the measure one full revolution.

Degrees in a Circle – Math Forum

Sep 23, 1997 · The British military chose a different way to divide the circle, specifically, 400 gradients in one circle. So one gradient is a tad bit smaller than a degree…

However, there are only seven for 400: {,,,,,} In the 18th century, the meter was defined as the forty-millionth part of a meridian. Thus, one grad of arc along the Earth’s surface corresponded to 100 kilometers of distance at the equator ; 1 centigrad of arc equaled 1 kilometer; 0.1 cc (centi-centigrads) of arc equaled 1 meter.

Unit of: Angle

Degree signs ° (Celsius, Fahrenheit and ° symbols on …

The degree symbol, is a typographical symbol that is used, among other things, to represent degrees of arc (e.g. in geographic coordinate systems) or degrees of temperature. The symbol consists of a small raised circle, historically a zero glyph.