Angles are based on parts of a full turn ... A three-quarter turn is 270°. An acute angle is less than 90°. An obtuse angle is between 90° and 180°. A reflex angle is between 180° and ...
Just think of it as slicing a pizza into 4 equal parts; a right angle will give you one perfect slice. As well as right angles, there are also acute and obtuse angles. An acute angle is very easy ...
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