Observing the overall pattern in the main figure, we can see that each section has a consistent arrangement of triangles. To complete the pattern, the missing section should have a similar arrangement of triangles to maintain symmetry. After examining each option, we find that
Option (2) aligns perfectly with the rest of the pattern, making it the correct choice.
Identify the number that will replace the question mark in the second equation based on the relationship represented in the first equation.