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What are angles?

Angles are a measure of turn. Follow these simple rules for angles:

Angles are measured in degrees. The sign for degrees is °.

One whole turn is 360°. a is an example of a whole turn.

One quarter turn is 90° or a right angle. b is an example of a quarter turn.

One half turn is 180° or a straight line. c is an example of a half turn.

Diagram showing the angles 360%, 90% and 180%

More from Angles:

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