why a circle is 360 degrees ?

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why a circle is 360 degrees ?

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https://www.scienceabc.com/pure-sciences/why-is-a-full-circle-360-degrees-instead-of-something-more-convenient-like-100.html

https://www.scienceabc.com/pure-sciences/why-is-a-full-circle-360-degrees-instead-of-something-more-convenient-like-100.html
Why Are There 360 Degrees In A Circle? – Science ABC
25 juill. 2022A full circle is 360 degrees because the Babylonians used the sexagesimal system. It also represents the number of days a year and also because 360 is highly composite. The other day, I helped my 12-year-old cousin with his math homework. His homework had questions about the area of a with a certain radius and circumference.

https://owlcation.com/stem/Why-Are-There-360-Degrees-in-a-Circle

https://owlcation.com/stem/Why-Are-There-360-Degrees-in-a-Circle
Why Do We Split a Circle Into 360 Degrees? A Look at the Origins of 360
9 déc. 2023360 Degrees in a Circle As any schoolchild can tell you, there are 360 degrees in a full circle. By splitting a circle up into 360 equal slices we can then measure any angle of turn that we like, whether it be half a turn (180°), two complete turns (720°) or any other size of the angle.

https://math.stackexchange.com / questions / 340467 / why-is-a-full-circle-360-degrees

https://math.stackexchange.com / questions / 340467 / why-is-a-full-circle-360-degrees
Why is a full circle 360° degrees? – Mathematics Stack Exchange
Consequently, they divided the circular path into 360 degrees to track each day’s passage of the Sun’s whole journey. This probably happened about 2400 BC. That’s how we got a 360 degree circle. Around 1500 BC, Egyptians divided the day into 24 hours, though the hours varied with the seasons originally. Greek astronomers made the hours equal.

https://www.historytoday.com/archive/history-matters/why-circle-has-360-degrees

https://www.historytoday.com/archive/history-matters/why-circle-has-360-degrees
Why a Circle Has 360 Degrees | History Today
Then, in the second century BC, the Greek astronomer Hipparchos of Rhodes began applying geometry to Babylonian astronomy. He needed a method of measuring angles and naturally followed the Babylonian division of the ecliptic into 360 degrees, dividing the circle the same way. So, although angles come from the Greeks, the comes from …

https://www.iflscience.com/why-are-there-360-degrees-in-a-circle-instead-of-something-useful-like-100-68919

https://www.iflscience.com/why-are-there-360-degrees-in-a-circle-instead-of-something-useful-like-100-68919
Why Are There 360 Degrees In A Circle, Instead Of … – IFLScience
15 mai 2023Why are there 360 degrees in a circle? For the answer to that, we have to go back to the very beginnings of math itself – back before it was even math at all, really. If you want to know who to …

https://www.quickanddirtytips.com/articles/why-does-a-circle-have-360-degrees

https://www.quickanddirtytips.com/articles/why-does-a-circle-have-360-degrees
Why Does a Circle Have 360 Degrees? – Quick and Dirty Tips
Given the Babylonian usage of 60 as their number base, they decided that each of the angles of an equilateral triangle would be 60 degrees. And thus, when you multiply these 60 degrees by the 6 equilateral triangles that combine to create a sort of circle, you get 6 x 60 = 360 degrees. And thus, in .

https://news.yahoo.com/why-360-degrees-circle-heres-174537726.html

https://news.yahoo.com/why-360-degrees-circle-heres-174537726.html
Why Are There 360 Degrees in a Circle? Here’s the History – Yahoo News
So they adopted an old idea, once used during the third millennium, for an administrative calendar: 12 months of 30 days in a year, making a 360-day cycle. This ‘ideal calendar’ reappears in the second millennium BC in the Babylonian Seven Tablets of Creation, which states that the god Marduk set up three stars each for the 12 months..

https://www.popsci.com/scitech/article/2002-02/who-determined-circle-should-be-divided-360-degrees

https://www.popsci.com/scitech/article/2002-02/who-determined-circle-should-be-divided-360-degrees
Who determined that a circle should be divided into 360 degrees?
The Mesopotamians passed their base-60 numerical system to the ancient Egyptians, who used it to divide a circle into 360 degrees. The same people who invented the wheel about 6,000 years ago: the …

https://www.khanacademy.org/math/cc-fourth-grade-math/imp-geometry-2/imp-angles-in-circles/v/angle-measurement-and-circle-arcs

https://www.khanacademy.org/math/cc-fourth-grade-math/imp-geometry-2/imp-angles-in-circles/v/angle-measurement-and-circle-arcs
Angle measurement & circle arcs (video) | Khan Academy
That is literally half of the circumference of the circle. That is half of the circumference, half of the way around of the circle, circumference of the circle. So this angle is going to be half of 360 degrees. And half of 360 is 180 degrees. And when you view it this way, these two rays share a common endpoint.

https://math.stackexchange.com/questions/291180/why-do-we-have-360-degrees-in-a-circle-and-why-we-need-radians

https://math.stackexchange.com/questions/291180/why-do-we-have-360-degrees-in-a-circle-and-why-we-need-radians
Why do we have 360 degrees in a circle and why we need radians?
It is presumed that the Babylonians invented the division of the circle into 360 degrees. It’s not clear why they used 360. One theory is that back in early Sumerian times they divided the day into 12 time-miles – the time required to travel a Babylonian mile. Since a day is one revolution of the sky, that corresponds to dividing a complete …
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