Coincidence...............??   A square also has 360 degrees............4 right angles...............

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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. About 300 to 100 BC, the Babylonians subdivided the hour into base-60 fractions: 60 minutes in an hour and 60 seconds in a minute.Mar 25, 2013

soft question - Why is a full circle 360° degrees? - Mathematics Stack ...

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Why is 360 degrees equal to 2pi?

Radians measure angles by distance traveled. or angle in radians (theta) is arc length (s) divided by radius (r). A circle has 360 degrees or 2pi radians — going all the way around is 2 * pi * r / r. So a radian is about 360 /(2 * pi) or 57.3 degrees.

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What is the name of 360 degrees angle?

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. 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.

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How many degrees are found in a circle?

360 degrees

One other interesting aspect of circles is that every circle can be divided into 360 units called degrees. So, if you turn around in a full circle, you turn 360 degrees. If you simply turn halfway around — a half-circle — you turn 180 degrees.

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How do you find the Coterminal angle?

To find a positive and a negative angle coterminal with a given angle, you can add and subtract 360° if the angle is measured in degrees or 2π if the angle is measured in radians . Example 1: Find a positive and a negative angle coterminal with a 55° angle.

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soft question - Why is a full circle 360° degrees? - Mathematics Stack ...

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Mar 25, 2013 - 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. About 300 to 100 BC, the Babylonians subdivided the hour into base-60 fractions: 60 minutes in an hour and 60 seconds in a minute.