## 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

# Simple dissection: the equilateral triangle

Started by bonanova, Jun 12 2013 06:03 AM

4 replies to this topic

### #1

Posted 12 June 2013 - 06:03 AM

An equilateral triangle cannot be dissected into __two__ new equilateral triangles, nor into __three__ equilateral triangles.

Is there a __highest number__ of equilateral triangles into which a single equilateral triangle cannot be dissected?

*The greatest challenge to any thinker is stating the problem in a way that will allow a solution.*

- Bertrand Russell

### #2

Posted 12 June 2013 - 08:48 AM

Isn't 1,4,9,16,25... only possible numbers?

### #3

Posted 12 June 2013 - 04:13 PM

Isn't 1,4,9,16,25... only possible numbers?

Spoiler for

### #4

Posted 12 June 2013 - 08:51 PM Best Answer

Spoiler for there is...

### #5

Posted 13 June 2013 - 03:47 AM

Nicely done **k-man**.

*The greatest challenge to any thinker is stating the problem in a way that will allow a solution.*

- Bertrand Russell

#### 0 user(s) are reading this topic

0 members, 0 guests, 0 anonymous users