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CBSE Class 8 Answered

Find the total surface area of a cylinder whose radius of the base =7cm and height=20cm
Asked by pandeydivyank | 25 Feb, 2019, 04:44: PM
answered-by-expert Expert Answer
For a cylinder :
r = 7 cm and h = 20 cm
Total surface area of cylinder = 2∏r(r + h)
                                           = 2 × begin mathsize 16px style 22 over 7 end style × 7 (7 + 20) 
                                           = 1188 cm2
Answered by Sneha shidid | 25 Feb, 2019, 04:52: PM

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