Full Angle - An Angle With A Measure Of 360 Deg

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Math Open Reference Home Contact About Subject Index Full angle Definition: An angle whose measure is exactly 360°. A full circle. Try this Adjust the angle below by dragging an orange dot and see how the angle ∠ABC behaves. Note that it is a full angle only when it is exactly 360°

Not widely used. If you continue to increase an angle it will eventually 'double back' on itself and form a full 360° angle. This is the Full Angle. One could argue that this is the same as a zero-sized angle. But we generally mean the reflex angle and so it is a full circle or 360°. Adjust the angle above and try to create the full angle going around in both directions.

Types of angle

Altogether, there are six types of angle as listed below. Click on an image for a full description of that type and a corresponding interactive applet.


Acute angleLess than 90°	Right angleExactly 90°	Obtuse angleBetween 90° and 180°

Straight angleExactly 180°	Reflex angleBetween 180° and 360°	Full angleExactly 360°