A closer look...
Let's look at it another way. A circle is divided by four lines that meet in the middle, forming eight triangular segments. That's our starting point.
But look closely: these small triangles can connect to form larger shapes. This is where counting gets much more complicated (and sophisticated!)
Here are the different combinations you should pay attention to:
8 basic triangles: small, obvious, the ones we see first.
4 medium triangles: by connecting two small triangles side by side (like two pieces of cake side by side).
2 large triangles: by connecting four triangles that form a complete semicircle.
1 hidden triangle: formed by the symmetry of a stylized semicircle that can be visualized by grouping.
1 "giant" triangle: a creative combination that considers the entire circle as a stylized triangular figure.
More on that on the next page
The rest can be found on the next page