it is called a flying jib
It is called the lateen sail.
A jib is a small triangular sail.
Jib or trysail.
A sail works like an aerofoil. Depending on the point of sailing it pulls the vessel along much more than it pushes it.
The most forward sail is normally called a jib.On vessels with more than one jib, the names of the jibs (from forward to aft) are: Flying jib, Outer jib, Inner jib and Fore (topmast) staysail.
A bentinck sail is a triangular shaped main course with a single clew at the foot of the sail. The sheet is made down to the centreline of the vessel. Occasionally the sail would have a short foot spread with a short boom called a Bentinck boom but still with a single sheet. The the sail gave advantages in heavy weather, obviating the need to raise tacks and sheets when going about and enabling a good view of most of the vessel from aft when manoeuvring. NG
Spinnaker is a nine-letter word for "triangular sail."
a dinghy would be a small (6 to 16 foot) sailboat, these can have almost any sail rig. the type of rig you described is called a sloop. a sloop is a sailboat with a triangular mainsail and a jib (this sail configuration is called a marconi rig, or bermudian rig), and are very common. so a small, one masted vessel with a mainsail and jib would just be called a sloop, or dinghy.
is called a stern rudder i looked every word up on my paper and found it
When the motorized vessel is a commercial vessel or when the motorized vessel has another vessel or person in tow.
foremost sail has triangular shape