Circles

What “Circles” begins with

You have also studied various terms related to a circle like chord, segment, sector, arc etc. Let us now examine the different situations that can arise when a circle and a line are given in a plane. In this case, PQ is called a non-intersecting line with respect to the circle. Here the rope on both sides of the pulley, if considered as a ray, is like a tangent to the circle representing the pulley.