Question

define chord secant tangent segment

Answer 1

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$chord$

A chord of a circle is a straight line segment whose endpoints both lie on the circle.



$secant$

A secant of a curve is a line that intersects the curve in at least two points.



$tangent$

A tangent is a straight line that touches a curve but does not cross it.



$segment$

A segment is a part of a line that is bounded by two distinct end points.





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Answer 2

A tangent is a line which meets the circle only at one point.

A secant is a line which meets the circle at two points while intersecting it. These two points are always distinct.

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