Mathematics for IGCSE & O level - Geometrical Constructions (Section 3 - No. 21)
What is the key requirement for an angle to be classified as a reflex angle?
It must be less than 90°.
It must be exactly 180°.
It must be between 180° and 360°.
It must be greater than 180°.
Explanation
A reflex angle is an angle with a measure between 180° and 360°.
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