Practice30Create account

The curved surface area of a cylinder of height 20 cm is . Find its radius in cm. Take π = 22/7.

Competition practiceAreas & Volumes
  • A14
  • B7
  • C21
  • D10

Step-by-Step Solution

2πrh = 1760 gives , i.e. , so cm.
Answer: A) 14

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