This is a simple story, but it takes a little while to think about. Look at repeating black triangles (imagine they continue infinitely). The area of the ALL black triangles takes up 1/3 the area of ...
Problem 5 is all about triangles and figuring out how they fit together. Maths teacher Chris Smith and pupils from Grange Academy are here to explain. The Maths Week Scotland Daily Challenges have ...
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