Definition:Convex Angle

Definition
A convex angle is an angle that is larger than a zero angle and smaller than a straight angle.

That is, the measurement of a convex angle is larger than $0^\circ$ and smaller than $180^\circ$.

In radians, the measurement of a convex angle is larger than $0$ and smaller than $\pi$.

Also see

 * Interior of Convex Angle is Convex Set