Why is a circle 360 degrees? Here are some answers from the
Dr. Math archives:
Why is a circle 360 degrees?
What is the origin/basis of the degree measurement? Why is a circle divided
into 360 degrees rather than some other number?
Why Is a Circle 360 Degrees?
Why is a circle defined as 360 degrees?
Degrees in a Circle
Why does a circle measure 360 degrees - is there a special reason for this
Origin of the 360-Degree Circle
Did the Babylonians discover the 360-degree circle?