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Definitions from WordNet

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Circular Measure

Definition: Circular measure refers to the method used for measuring angles in mathematics and trigonometry. It is expressed in radians and is based on the arc length along the circumference of a unit circle.

Examples:

Noun:

In geometry, circular measure is used to determine the size of an angle. For example, a right angle is equivalent to π/2 radians.

Verb:

When converting from degrees to radians, you need to circularly measure the input angle. To do this, multiply the degree measure by π/180.

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