Solution:
We can make any number of triangles from 1 up to 10. There are multiple solutions for each number. For examples, click here.
BLOG CARNIVAL #163....LET'S GO! Fun fact: The number 163 is prime, which we can prove simply by showing that it is not divisible by 2, 3...
I can only find 7 triangles in the star-shaped 10-triangles solution! I can't find any other website that helps to explain this solution.
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