https://www.youtube.com/watch?v=0hlvhQZIOQw This carries on the previous investigation into Farey sequences, and is again based on the current Nrich task Ford Circles. Below are the Farey sequences for F2, F3 and F4. You can read about Farey sequences in the previous post. This time I'm going to explore the link between Farey sequences and circles. First... Continue Reading →