In top of the figure 3 traingles is there 2 small and 1 big
In bottom of the figure 3 triangles is there 2 small and 1 bigÂ
So total = 3 + 3 = 6
Now in middle of the figure 3 small and 2 big triangles is there = 3+2=5
Total triangles = 6+5=11
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