Mathematics for IGCSE & O level - Geometrical Constructions (Section 2 - No. 36)
What is a reflex angle?
An angle greater than 90° but less than 180°
An angle greater than 180° but less than 360°
An angle of exactly 180°
An angle of exactly 360°
Giải thích
A reflex angle is between 180 and 360 degrees.