Lego Triangles? 

The Problem:

 You need to make two triangles out of Lego (or Meccano etc).

They must be mathematically similar.

 A         You have five pieces of length 2,4,5,6 and 12cm. 

What must be the length of the sixth piece, for you to be able to make your two triangles?

            Do you have any choice?


B         Does it make any difference to your task if the five lengths are 2,3,4,41 and 6cm?

            Are there any choices this time?!


C         What difference does it make to your task if the five lengths are 1,2,3,6 and 9cm?

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Last modified: June 18, 2007