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From: "Doug Hull" <hull@mathworks.SPAMPROOFcom>
Newsgroups: comp.soft-sys.matlab
Subject: Re: count number of triangles in a diagram
Date: Thu, 5 Aug 2010 18:24:04 +0000 (UTC)
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Post an example with an annotated version showing what you consider the correct answer.

Imagine an equilateral triangle with a line bisecting it through one vertex.  Is that two triangles, or three counting the big one?

Imagine same equilateral triangle with a line bisecting in through one vertex and another line at another vertex bisecting also.  These lines cross in the middle.  How many here?  Eight?

Doug