Tangent to the Circle

In the plane geometry, a straight line is called tangent to a circle it this line meet the circle at precisely one is known as tangent to a circle, which presented in the given diagram.


A line which cuts the circle from two distinct points is known as the secant line and the third scenario is that a line neither touches nor cuts the circle. In the next few tutorials it shall be discuss on tangent line and secant line. In a calculus, tangent of the line to a circle is the limit of the secant of a line, because from the secant of a line one point on the circle is approaches to another to attain the tangent to a circle.



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