A cylinder H cm high has a circumference of C cm. A string makes exactly N complete turns round the cylinder while its two ends touch the cylinder's top and bottom. How long is the string in cm?
Solution Stats
Problem Comments
-
1 Comment
Jihye Sofia Seo
on 10 Feb 2017
Neat!
Problem Recent Solvers40
Suggested Problems
-
1967 Solvers
-
How long is the longest prime diagonal?
297 Solvers
-
846 Solvers
-
233 Solvers
-
Find the index of n in magic(n)
133 Solvers
More from this Author12
Problem Tags
Select a Web Site
Choose a web site to get translated content where available and see local events and offers. Based on your location, we recommend that you select: .
Select web siteYou can also select a web site from the following list:
Americas
- América Latina (Español)
- Canada (English)
- United States (English)
Europe
- Belgium (English)
- Denmark (English)
- Deutschland (Deutsch)
- España (Español)
- Finland (English)
- France (Français)
- Ireland (English)
- Italia (Italiano)
- Luxembourg (English)
- Netherlands (English)
- Norway (English)
- Österreich (Deutsch)
- Portugal (English)
- Sweden (English)
- Switzerland
- United Kingdom (English)