What is the total number of degrees in a full circle?

A full circle measures a total of 360 degrees. This is a fundamental concept in geometry and is essential in various fields such as mathematics, physics, and engineering. The circle is divided into 360 equal parts, known as degrees, which allows for a precise way to measure angles and to describe rotations.

In practical applications, understanding that a full circle contains 360 degrees is crucial for tasks involving navigation, trigonometry, and the construction of geometric figures. In contrast, the other numbers (180, 540, and 720) represent either specific angles or rotations that do not encapsulate the entirety of a circle. For instance, 180 degrees represents a straight angle, while 540 and 720 degrees would represent multiple rotations beyond a single complete circle. Hence, 360 degrees is the correct and universally accepted measure for a full circle.