In this puzzle, the answer is 18. That might seem surprising if you first counted less. But when you break it down methodically, you’ll see how it all adds up.
Here’s the breakdown:
- 6 smallest triangles, the building blocks.
- 6 medium triangles, made from combining two small ones.
- 4 larger triangles, formed from smaller and medium ones.
- 2 largest triangles, made from nearly all the parts.
This shows the importance of being systematic and breaking problems into smaller bits. Instead of guessing, the math approach gets you the right answer.