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CBSE Class 9 Answered

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 | 01 Dec, 2021, 10:24: PM
answered-by-expert 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 | 02 Dec, 2021, 09:05: AM
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