Angle in a polyline

Hi everybody,
how could i take the outer angles between every two besides edge of a polyline like this in grasshopper?

Check this demo… (15.9 KB)


Much simpler than previous one… (20.9 KB)

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Good one. If you need the values from this to pass along to more components, add the yellow group (below):

It may not scale well though?


I love it but won’t it break when any polygon segment is less than 2 units long?

Then, use the first def…:wink: (19.4 KB)

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thanks it helped very much