A circle is a simple closed shape which divides the plane into two regions: an interior and an exterior. The distance between any points on the circle and center of the circle is called the radius. we will study about the various properties of circle and about its chord in this chapter.


These video lectures have been prepared exclusively for all English medium state board and central board class 9th students to have the understanding on basic properties of Circles.


Megha holds a B.Tech in Electronics and Communication Engineering from NIT, Kurukshetra. Currently associated with Tutorials Point as a Mathematics Trainer, she delivers lectures for classes 11,12, and IIT JEE students. Apart from Mathematics, she has good experience in designing of Railway's network. In addition, she has worked on various protocols such as Bluetooth 4.1, 6LoWPAN, DASH7, and ZigBee.