Square sails (rectangular) were (are) called four-cornered sails.
They were referred to as "four-cornered" sails.
One type is the "lateen sail", but there are also jibs; Genoa & spinnaker.
Lateen
the caravel has triangular sails as well as square sails. Square sails carried the ship forward when the wind was at its back. Triangular sails allowed the caravel to sail into the wind. the caravel was better than other euoopean ships of the time at this type of sailing
Some reasons why the caravel was a good ship for exploration were that they were agile and easier to navigate, with a tonnage of 50 to 160 tons and 1 to 3 masts, with lateen triangular sails allowing beating.Being smaller and having a shallow keel, the caravel could sail upriver in shallow coastal waters. With the lateen sails attached, it was highly maneuverable and could sail much nearer the wind, while with the square Atlantic-type sails attached, it was very fast.
Caravels were a type of small, highly maneuverable sailing ship developed by the Portuguese in the 15th century. They were better than the ships they replaced, such as cogs and carracks, because they had a more streamlined hull design, allowing for greater speed and agility. Caravels also had triangular lateen sails that could catch wind from different directions, enabling them to sail closer to the wind and explore new trade routes more efficiently.
A type of sail
They built caravels, made better maps, used the rudder, used the lateen (a triangular sail), used an astrolabe, also used a compass.
Square pyramids have a square base and four triangular faces, while triangular pyramids have a triangular base and three triangular faces. The number of sides and the shape of the base are the main distinguishing factors between the two types of pyramids. Additionally, the angles and dimensions of the faces will vary based on the shape of the base in each type of pyramid.
windmill
It depends on what type of prism. Is it a rectangular prism, a triangular prism, etc?
This 3D shape could be a square based pyramid.