7. A joker’s cap is in the form of right circular cone of base radius 7 cm and height 24cm. Find the area of the sheet required to make 10 such caps. 7. A joker’s cap is in the form of right circular cone of base radius 7 cm and height 24cm. Find the area of the sheet required to make 10 such caps. October 17, 2020 Category: Chapter 13 - Surface Areas and Volumes , Maths , NCERT Class 9 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related