For part 9 of our series with Catriona Shearer’s geometry puzzles, we used the puzzle that she posted this morning:

My son was able to solve this problem and here’s how he explained his solution:

After he talked through his solution we went back to the twitter thread for the puzzle and he found a solution he liked:

This is actually the 2nd solution we’ve used from Amaresh G S – here’s how my son explained it:

Another great puzzle – I’m really enjoying this series!