A three sided sail is known as a Lateen sail or also a triangular sail. With a four sided sail one is only able to sail against the wind, but with a Lateen sail it is possible to sail more directly into the wind.
It is a four sided sail. I think the answer you are looking for is square sail. A square sail is not necessarily a square, it can be rectangular. Before the era of steamships, most cargos were carried by sailing ships and mopst of them had square sails.
Wow, really... a pyramid is three sided and it has been used as a tomb. (technically it's 4 sided, three sides and a bottom, but that's as close as your going to get to a three sided tomb, especially in geometry...)
i am not sure, but i think it is 4 sided.
a 3 sided figure
A pyramid is a four-sided, three-dimensional figure.
No. A three-sided polygon is, by definition, a triangle.
Three-Sided Coin was created on 2002-06-11.
The name of the angle which has three sided polygon called Triangle.
tri = three lateral = sided Trilateral = A three sided object or something agreed upon by three parties
Octahedron.
triangle
A triangle.