Six Lines Make Twelve Triangles
Date: 11/06/2002 at 16:09:14 From: Thomas Aliberti Subject: Middle school math How can I use 6 lines to make 12 triangles? I cannot get this to work.
Date: 11/06/2002 at 20:13:44 From: Doctor Sarah Subject: Re: Middle school math Hi Thomas - thanks for writing to Dr. Math. See if this is what you're trying to do: The hard part isn't making the drawing so much as counting the triangles! - Doctor Sarah, The Math Forum http://mathforum.org/dr.math/
Date: 11/06/2002 at 20:37:11 From: Thomas Aliberti Subject: Thank you (Middle school math) Thank you very much. It is so easy once you see the resolution. I will take the diagram to my math teacher tomorrow to share with the class.
Search the Dr. Math Library:
Ask Dr. MathTM
© 1994- The Math Forum at NCTM. All rights reserved.