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.
Whether the isosceles triangle is acute, right or obtuse depends on the vertex angle. In Euclidean geometry, the base angles cannot be obtuse (greater than 90Â°) or right (equal to 90Â°) because their measures would sum to at least 180Â°, the total of all angles in any Euclidean triangle.