Chord (geometry)

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The reid segment BX is a chord
(as is the diameter line AB).

A chord o a circle is a geometric line segment whose endpoints baith lie on the circle. A secant or a secant line is the line extension o a chord. Mair generally, a chord is a line segment jynin twa pynts on ony curve, such as but nae leemitit tae an ellipse. A chord that passes through the circle's center pynt is the circle's diameter.