A rope can make 70 rounds of the circumference of a cylinder whose radius of the base is 14cm. how many times can it go round a cylinder having radius 20 cm?

• Length of the rope is=2*22*14*70/7=280*22=6160
  No of rounds=6160/(2*pi*20)=49 rounds
• 9 years agoHelpfull: Yes(0) No(0)