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GeoGebra

Of All the Areas

http://nrich.maths.org/693 In this problem we are going to be thinking about the areas of equilateral triangles. The important thing to keep in mind is that, to make life easy for ourselves, we will measure our areas in terms of equilateral triangles too. Here are some equilateral triangles. If the area of the first triangle is 1, what are the areas of the others? Do you see any patterns?
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