Mathematics for IGCSE & O level - Geometrical Constructions (Section 1 - No. 28)
What does a reflex angle measure?
Less than 90 degrees
More than 90 and less than 180 degrees
More than 180 degrees and less than 360 degrees
Exactly 180 degrees
説明
A reflex angle is greater than 180 and less than 360 degrees.