Derive the formula of Centre of Mass of a Solid Cone and a Triangular Plate Share with your friends Share 1 Abhishek Verma answered this C.O.M Of solid cone 3H/4 & C.O.M Of tringular plate 2H/3. See image below 4 View Full Answer Abhishek Verma answered this C.O.M Of solid cone 3H/4 & C.O.M Of tringular plate 2H/3. See image below 2