@GustavinoBevilacqua@mastodon.cisti.org
@th@social.v.st
In Italy surveying operations are made with gradians: a right angle is 100 gradians.
https://en.wikipedia.org/wiki/Gradian
@attoparsec@clacks.link
@GustavinoBevilacqua@mastodon.cisti.org @th@social.v.st The secret third option!