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.
1 The angles are 50, 60 and 70. 2  The sum of the angles is which is. 3  Finally we have a triangle with an obtuse angle, that is one of the angles is larger than 90 degrees. 4  The angles happen to be 20, 40 and 120, and the sum of the angles is which is.