An Important Question of class 10 Based on Mensuration Chapter of M.L Aggarwal for ICSE BOARD.
Here you have to find the curved surface area of a right circular cone whose slant height and base radius is given. Give the solution of the question briefly.
This is the Question Number 02, Exercise 17.2 of M.L Aggarwal.
Deepak BoraNewbie
Find the curved surface area of a right circular cone whose slant height is 10 cm and base radius is 7 cm.
Share
Given slant height of the cone, l = 10 cm
Base radius, r = 7 cm
Curved surface area of the cone = rl
= (22/7)×7×10 = 220 cm2
Hence the curved surface area of the cone is 220 cm2.