9.1 Definitions and Terminology
Ask AIKey Formulas
Solved Examples
Step 1
Definition of Chord: A line segment joining two points on the circle.
Step 2
A line is infinite. A chord is finite.
Step 3
However, the segment of the line intercepted by the circle is a chord. Specifically, it is the diameter.
Step 4
Technically, the line itself is a secant; the segment inside is the chord.
Final Answer
The segment is a chord (diameter).