It was wonderful to see students from St Columba College, SA awarded the Year 11 Group Prize in the National Mathematics Talent Quest. The students submitted an in-depth mathematical report on a geometric shape referred to as the “arbelos”. The video below shows some excerpts from their work.
![](https://www.ianallanthomson.com/wp-content/uploads/2023/01/NMTQ-1024x632.png)