Six Lines, 4 Triangles

Date: 8/19/96 at 17:2:52
From: Anonymous
Subject: Six Lines, 4 Triangles

How can six toothpicks be glued together to form exactly four 
triangles?

Date: 8/30/96 at 15:13:21
From: Doctor Jim
Subject: Re: Six Lines, 4 Triangles

Here's a hint: glue two of them together to form a plus sign.

-Doctor Jim,  The Math Forum
 Check out our web site!  http://mathforum.org/dr.math/   

Date: 8/30/96 at 15:14:5
From: Doctor Ken
Subject: Re: Six Lines, 4 Triangles

Hello!

Here's another hint that will give you a different solution: don't 
restrict yourself to 2 dimensions!

-Doctor Ken,  The Math Forum
 Check out our web site!  http://mathforum.org/dr.math/