can you calculate the perimeter of an object 2d?

[KTI]

Bye to all,
Can you tell me how to calculate the rhino perimeter of a closed area? internal and external perimeter for qualuquq areas.
Can someone help me or can you tell me some scripts that do?

Thank you.

 

[Il marangon]

in analyzing there is a length command that measures the length of the segmant, line or edge that selects.

 

[KTI]

Thank you 1000, I solved,
kinda