The obvious answer is that manhole covers should be round because manholes are round.
But your answer is more informative.
that was my first thought.."so that they fit" lol
Jump to content
|Welcome to BrainDen.com - Brain Teasers Forum. Like most online communities you must register to post in our community, but don't worry this is a simple free process. To be a part of BrainDen Forums you may create a new account or sign in if you already have an account.
As a member you could start new topics, reply to others, subscribe to topics/forums to get automatic updates, get your own profile and make new friends.
Of course, you can also enjoy our collection of amazing optical illusions and cool math games.
If you like our site, you may support us by simply clicking Google "+1" or Facebook "Like" buttons at the top.
If you have a website, we would appreciate a little link to BrainDen.
Thanks and enjoy the Den :-)
Posted 19 November 2008 - 09:46 PM
Veracity, the veracity of your statement is suspect:
"There is not a single shape (besides perfectly round) that could not be positioned in a way that would cause it to fall in the hole." , You couldn't be more wrong!
heard of "constant diameter curves" ?
A circle is just one of many such curves:
That said, you are bang on target with your second statement about the ease of rolling
0 members, 0 guests, 0 anonymous users
Community Forum Software by IP.Board 3.4.5
Licensed to: BrainDen