1 to leave. Origin: Used in US military in 1970s. Perhaps based on uniform regulations specifying that soldiers wear headgear when outdoors. Also hat up.It's almost two o'clock; I have to hat.  See more words with the same meaning: to go, leave, exit.
An obtuse angle is any angle greater than 90 degrees and less than 180 degrees. Yes. An obtuse angle is geometrically greater that a right angle. Any number degree larger than â¦ 90 degrees is obtuse, as any number degree lesser than 90 degrees is acute.
An obtuse triangle is a triangle in which one of the angles is an obtuse angle. (Obviously, only a single angle in a triangle can be obtuse or it wouldn't be a triangle .) A triangle must be either obtuse, acute, or right.From the law of cosines, for a triangle with side lengths, , and, (1).with the angle opposite side.Obviously, only a single angle in a triangle can be obtuse or it wouldn't be a triangle .) A triangle must be either obtuse, acute, or right. From the law of cosines, for a triangle with side lengths, , and, (1). with the angle opposite side.