A chord is a straight line within a circle that divides the circle into two parts - these parts are called arcs.
The diameter is a chord that runs through the centre of the circle and divides the circle into two equal parts.
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A chord line intersects a circle at two points of which the circle's diameter is its largest chord.
A line segment that intersects with or joins two points on a circle is called a chord.
A chord is a line that joins to points on the circumference of a circle. If it passes through the center of the circle it's called a diameter.
It is a chord of which the circle's diameter is the largest
A line segment joining two points on the circumference of a circle and the diameter is the largest chord in a circle.