The Guardian – Alex Bellos
“In my puzzle blog earlier today I set you the following three questions: 1) In the image of an equilateral triangle above, what fraction of the whole triangle is the red triangle?.”(more)
The Guardian – Alex Bellos
“In my puzzle blog earlier today I set you the following three questions: 1) In the image of an equilateral triangle above, what fraction of the whole triangle is the red triangle?.”(more)