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.
A right angle is an angle that measures 90Ë. It is also known as a 'quarter turn' because it is a quarter of a full turn, which measures 360Ë. A right angle is represented by a small square inside the angle.An acute angle is one that measures LESS than 90Ë. An obtuse angle is one that measures between 90Ë and 180Ë.A reflex angle is an angle that measures between 180Ë and 360Ë.ook at the inside angles of this shape. Mark the acute angles in red, the obtuse angles in blue and the reflex angle in green. To help your child put their knowledge of shapes and angles into practice download angles worksheets and other geometry worksheets.