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Difference between secant lines and tangent lines?
A secant line touches a circle at two points. On the other hand a tangent line meets a circle at one point.
What is difference between chord and secant?
a chord is a line segment and its endpoints are on the circle. a secant line is a "line" (meaning it is continuous and has no end points) that intersects a circle (in two places if that's not obvious). > > > Beans63
How is that any line intersecting the interior of a given circle is a secant of that circle?
Any line that enters a circle (and is not a tangent) must cross its boundary twice; once to enter, once to exit. Since a secant is a line segment that joins two different points on a curve, such a line as above is a secant.
Do a straight line and a curved line form avertex at its joining point?
A tangent at that point where a straight line just touches a curve and a secant line when the straight line bisects the curve.
What line meets the circle at exactly one point?
The tangent line. A secant line hits the circle in two places and forms a cord, but the tangent line only hits the circle in one point and is always perpendicular to the radius of the circle which exists at that point.
