Take an equilateral triangle.  Surround it by three other identical equilateral triangles to create another equilateral triangle.  Which way is it facing? Explain why this is.

Elementary Geometry for College Students
6th Edition
ISBN:9781285195698
Author:Daniel C. Alexander, Geralyn M. Koeberlein
Publisher:Daniel C. Alexander, Geralyn M. Koeberlein
Chapter7: Locus And Concurrence
Section7.2: Concurrence Of Lines
Problem 9E
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 Take an equilateral triangle.  Surround it by three other identical equilateral triangles to create another equilateral triangle.  Which way is it facing? Explain why this is. 

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