\begin{definition}[Definition:Segment of Circle/Angle of Segment]
{{EuclidSaid}}
:''{{:Definition:Euclid's Definitions - Book III/7 - Angle of Segment}}''
{{EuclidDefRefNocat|III|7|Angle of Segment}}
That is, it is the angle the base makes with the circumference where they meet.
It can also be defined as the angle between the base and the tangent to the circle at the end of the base:
:320px
Category:Definitions/Circles
\end{definition}