Draw the tangent, if two circle intersecting in two points.

A tangent to a circle intersects it in _________ points.

Common tangent to two circles

Fill in the blanks: The common point of a tangent and the circle is called...... A circle may have ..... parallel tangents. A tangent to a circle intersects it in ..... point(s). A line intersecting a circle in two points is called a ........ (v) The angle between tangent at a point on a circle and the radius through the point is .........

In the figure, two circles intersect each other in points P and Q. If tangent from point R touch the circles at S and T, then prove that RS=RT.

Draw two tangents to a circle of radius 4 cm from a point T at a distance of 6 cm from its centre.