The terms cat-rigged, and catboat, should not be confused with catamarans. Catamarans are not related to the term cat-rigged, though catamarans can be cat-rigged, if they have a single sail and no jib. The term 'cat' may come from the 'cat head', [citation needed] a protruding cross beam, not far behind the bow, or head, of a sailing ship, to which the anchor was attached when the vessel was preparing for sea. The mast of a cat-rigged boat is stepped near the point that the 'cat head' would be. See also. Glossary of nautical terms; References
1. Degrees are a unit of angle measure. A full circle is divided into 360 degrees. For example, a right angle is 90 degrees. A degree has the symbol Â° and so ninety degrees would written 90Â°. Another unit of angle measure is the radian. 1  See Angles measured in degrees.
Mathematics is a subject which is invariably used by every person in this world in one way or the other. Generally, Mathematics can be defined as the study of measurement, properties and relationships, of quantities and sets, using numbers and symbols. This subject is gaining more popularity as we are becoming more technologically advanced.