Class X Tangent to a Circle

A straight line intersects a circle at one or two point. The tangent to a circle is a line that touches the circle at one point. Secant intersects the circle at two points. The point at which the straight line touches the circle is called the point of contact or point of tangency. Read more at https://www.learnnext.com/lesson/CBSE-X-Maths-Tangents-to-a-Circle.htm