Tangent of Cirle

Tangent of a circle is the point where the tangent and the circle intersect with each other. Two or more tangents can be drawn on a circle and if they have crossed, the lengths of the tangents from the point where they touch the circle to the point will be the same. 1. There is one and only one tangent at a point on a circle. 2. The tangent at any point is perpendicular to the radius through the point of contact of the circle. 3. The tangents length which can be drawn from an external point to a circle are equal. 4. Circle center lies on the bisector of the angle between the two tangents.