4. How many square metres of canvas is required for a conical tent whose height is 3.5 m and the radius of the base is 12 m? 4. How many square metres of canvas is required for a conical tent whose height is 3.5 m and the radius of the base is 12 m? July 3, 2021 Category: Chapter 13 - Surface Areas and Volumes , Maths , NCERT Class 9 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related