Hint to Riddle #72: Length of Rope Around a Rod?
72. A string is wound symmetrically around a circular rod. The string goes exactly 4 times around the rod. The circumference of the rod is 4cm and it's length is 12cm.
Find the length of the string.
Find the length of the string.
I'm just going to leave this diagram here without comment. Should be all the clue you need.
Where next?
Questions Answer
© Nigel Coldwell 2004 - – The questions on this site may be reproduced without further permission, I do not claim copyright over them. The answers are mine and may not be reproduced without my expressed prior consent. Please inquire using the link at the top of the page. Secure version of this page.
PayPal
I always think it's arrogant to add a donate button, but it has been requested. If I help you get a job though, you could buy me a pint! - nigel
