![Why did sails go from square in the ancient era to mostly lateen in the medieval then back to multiple square sails in the age of sail? : r/AskHistorians Why did sails go from square in the ancient era to mostly lateen in the medieval then back to multiple square sails in the age of sail? : r/AskHistorians](http://www.theportugalnews.com/uploads/news/1150-24.jpg)
Why did sails go from square in the ancient era to mostly lateen in the medieval then back to multiple square sails in the age of sail? : r/AskHistorians
Back to High School - Lateen, as in lateen sail: a triangular sail on a long yard at an angle of 45° to the mast, allowing a boat to tack against the
![Why did sails go from square in the ancient era to mostly lateen in the medieval then back to multiple square sails in the age of sail? : r/AskHistorians Why did sails go from square in the ancient era to mostly lateen in the medieval then back to multiple square sails in the age of sail? : r/AskHistorians](https://i.ytimg.com/vi/QAByJmEsOdg/maxresdefault.jpg)