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A chord that passes through a circle s center point is the circle s diameter. Diameter is the chord that passes through the center of the circle.

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Chord is derived from a latin word chorda which means bowstring.

What is the chord of a circle. If the line passes through the center of the circle it is a diameter. Additionally if a radius of a circle is perpendicular to a chord then the radius bisects the chord. The endpoints of this line segments lie on the circumference of the circle.

To calculate the chord length you need to know the radius and either the central angle or the perpendicular distance to the center. The infinite line extension of a chord is a secant line or just secant. If one chord is a perpendicular bisector of another chord then the first chord is a radius.

If we had a chord that went directly through the center of a circle it would be called a diameter. A chord is a line segment that joins any two points on a circle diagram 1 in other words a chord is basically any line segment starting one one side of a circle like point a in diagram 2 below and ending on another side of the circle like point b. The same also holds if instead of a radius it s a diameter as evidenced by the diagram to the right.

Chord of a circle definition the chord of a circle can be defined as the line segment joining any two points on the circumference of the circle. It is the longest chord possible in a circle. More generally a chord is a line segment joining two points on any curve for instance an ellipse.

A chord is a straight line that connects two points on the circumference of the circle without passing through the center. A chord is a line segment that joins any two points of the circle. The converse is also true.

Points a and b are the endpoints of chord ab. A chord of a circle is a straight line segment whose endpoints both lie on the circle. A chord of a circle is a line that connects two points on a circle s circumference.

It should be noted that the diameter is the longest chord of a circle which passes through the center of the circle.