How many degrees are in a full circle?

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A full circle consists of 360 degrees. This measurement originates from ancient civilizations and is widely used in geometry and trigonometry. A complete rotation or revolution around a point returns to the starting position, which is defined as a full circle and measured as 360 degrees. This concept is foundational in understanding angles, rotational symmetry, and many applications in mathematics, physics, and engineering.

When considering the other options, 180 degrees represents a straight angle, which is half of a full rotation; 270 degrees indicates three-quarters of a circle; and 90 degrees is a right angle, which is one-quarter of a circle. All of these angles are significant but represent fractions or specific parts of the full 360 degrees that complete a full circle.

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