Servers like "Math Olympiad Training" or "The Math Lab" have dedicated channels for geometry. In the pinned comments of a channel named #geometry-worksheets , you often find a Google Drive link to a complete answer key. Pro tip: Use the search function inside Discord with the query from: @mentor teona bokhua solutions .
Remember: The real value is not in knowing that $x = 15$, but in understanding why $x$ must be 15, and how three different theorems converge to prove it. So download the key, but keep your pencil sharp and your eraser ready. The struggle through the diagram is where the learning lives; the key simply tells you when you have arrived. teona bokhua answer key