reflex angle in a sentence
Level:
The sine of a reflex angle is negative.
A straight angle is smaller than a reflex angle.
A straight angle is always opposite to a reflex angle.
The arcsec of a negative number is always a reflex angle.
Vertical angles are formed by two intersecting lines that form a reflex angle.
The vertical angle formed by two lines that intersect at a reflex angle is not necessarily equal.