How many vertices does a polyline with five links have.

Since a broken line is a geometric figure consisting of segments called links, a broken line with five links is five segments that are sequentially connected to each other by their ends.
Let a broken line with five links be given: A₁A₂, A₂A₃, A₃A₄, A₄A₅, A₅A₆.
Thus, the broken line A₁A₆ has 6 vertices A₁, A₂, A₃, A₄, A₅, and A₆.
Answer: 6 peaks.



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