Jump to content


Welcome to BrainDen.com - Brain Teasers Forum

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 :-)
Guest Message by DevFuse
 

Photo
- - - - -

Round vs. Square


  • This topic is locked This topic is locked
41 replies to this topic

#41 cmabb21

cmabb21

    Junior Member

  • Members
  • PipPip
  • 23 posts

Posted 03 November 2008 - 06:25 PM

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
  • 0

#42 Jiminy Cricket

Jiminy Cricket

    Advanced Member

  • Members
  • PipPipPip
  • 404 posts

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:
read This
and This

That said, you are bang on target with your second statement about the ease of rolling

R



Reuleaux triangle FTW!!!

Thank you! Like Veracity, I also enjoy learning new things.
  • 0




0 user(s) are reading this topic

0 members, 0 guests, 0 anonymous users