A circle is composed of 360 degrees. This measurement is fundamental in geometry and is utilized across various fields, including mathematics, engineering, and navigation. The division of a circle into 360 degrees is believed to have historical origins dating back to ancient Babylon, where the number 360 was significant for the lunar calendar. Each degree can be further divided into smaller units called minutes and seconds, leading to greater precision in measurements. Understanding these divisions is crucial for accurately describing angles and performing calculations related to circular motion.