What is the formula of hollow cylinder Share with your friends Share 1 Vijesh answered this Please find this answer 0 View Full Answer Ankur Kumar answered this Volume of Hollow Cylinder= Pi*h(R^2-r^2) -1 Vijesh answered this Unaku ithu pothum....motha formula viyu anupcha seen podra... -1 Koyana Mishra answered this Volume Pi * h( R^2 - r^2 ) TSA 2 pi ( R+ r)*h + 2 pi (R^2 - r^2) CSA 2 pi (R+r)* h Here, R = external radius r = internal radius h = height of cylinder 1