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Eight vertices
Add 9 matchsticks to this triangle to form 8 vertices with 3 matchsticks meeting in each vertex.
Add 9 matchsticks to this triangle to form 8 vertices with 3 matchsticks meeting in each vertex.
Eight vertices
Add 9 matchsticks to this triangle to form 8 vertices with 3 matchsticks meeting in each vertex.
Add 9 matchsticks to this triangle to form 8 vertices with 3 matchsticks meeting in each vertex.
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