Findi the radius of a cylinder whose height is 42 cm and whose curved surface area is 8448 cm²

 

Asked by Snehasingh368 | 20th Dec, 2019, 03:27: PM

Expert Answer:

Curved surface area of a cylinder = 2∏rh
→  8448 = 2 × (22/7) × r × 42
→  r = 32cm

Answered by Yasmeen Khan | 20th Dec, 2019, 06:50: PM