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
"Square-riggers" have primarily square sails, but the jib sails are triangular.
Sloops, ketches, and yawls have triangular-shaped sails.
Square sails are square
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.
They were referred to as "four-cornered" sails.
To have the sails unfurled and rigged ready for sailing
The boat had triangular sails.
Square sails (rectangular) were (are) called four-cornered sails.
The boat was small and had two triangular sails.
caravel
caravel