Concept

Reflexive Angle

A reflexive angle is an angle whose measure is greater than 180^(∘) but less than 360^(∘). An alternative name for this type of angle is reflex angle.

Applet showing when an angle is acute and when it is not.

When using radians as the unit of measure, an angle is a reflexive angle when its measure is greater than π, or about 3.14, but less than 2π, or about 6.28, radians.

Exercises
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