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ICSE Class 8 Answered

Findi the radius of a cylinder whose height is 42 cm and whose curved surface area is 8448 cm²  
Asked by Snehasingh368 | 20 Dec, 2019, 15:27: PM
answered-by-expert Expert Answer
Curved surface area of a cylinder = 2∏rh
→  8448 = 2 × (22/7) × r × 42
→  r = 32cm
Answered by Yasmeen Khan | 20 Dec, 2019, 18:50: PM

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