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9
1
TH!
How many triangles do you see in the diagram?
Complete the explanation
There are
small triangles.
There are
There are
There is
triangles made of 2 triangles and 1 rhombus.
triangles made of 3 triangles and 3 rhombuses
triangle made of 4 triangles and 6 rhombuses.
large outer triangle
triangles in all
Lastly, there is
There are