In Mathematics, the Radius of a Circle is an important chapter and it is necessary to be able to practice some of the important questions to be able to do well. The online portal, Vedantu offers important questions along with answers and other very helpful study material on Radius of a Circle - Definitions, Theorems and Length of Chord, which have been formulated in a  well structured, well researched, and easy to understand manner. These study materials and solutions are all important and are very easily accessible from Vedantu.com and can be downloaded for free.