if you mean an arc, then pi x r
s diameter of the circle in the drawing above is the segment
It is a chord or the diameter of a circle
It is the diameter of the circle.
Not if the whole segment is inside the circle.
A diameter of a circle must pass through the center of that circle. A cord is a line segment that has its endpoints on the circumference of a circle. It can be any line segment. If that cord also passes through the center of the circle, it is said to be a diameter of that circle. A diameter of a circle is the longest cord of the circle.
That's a "diameter" of the circle.
It is a chord and the largest chord in a circle is its diameter
It is the circle's diameter
A diameter is a segment that passes through the center of a circle and has both endpoints on the circle.
diameter
the answer is the diameter
A chord or the circle's diameter.