curved surface area of a cone is 308 cm2 and it's slant height is 14 cm find (i) radius of the base and (ii)total surface area of the cone

Asked by anirani51 | 1st Dec, 2021, 10:24: PM

Expert Answer:

CSA equals space 308 space cm squared
308 equals πrl
straight r equals 7

TSA space equals space CSA space plus space πr squared space equals space 308 space plus space 154 space equals 462 cm squared

Answered by Arun | 2nd Dec, 2021, 09:05: AM