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.
Right angle: When the angle measure exactly 90o, then the angle is called a right angle or we call that the two arms are perpendicular to one another.4. Obtuse angle: When the measure of the angle is more than 90o and less than 180o, then the angle is called an obtuse angle. Example: 91o, 100o, 179o 5.Straight angle: When the angle measure exactly 180o, then the angle is called a straight angle. 6.btuse angle: When the measure of the angle is more than 90o and less than 180o, then the angle is called an obtuse angle. Example: 91o, 100o, 179o 5. Straight angle: When the angle measure exactly 180o, then the angle is called a straight angle. 6.