An angle whose degree measure is greater than 90 but less than 180 is simply in that range. Examples would be 91 degrees, 104.5 degrees, 179.25 degrees, and so on. There is no specific name for angles in this category, but it falls into the broader category of obtuse angles, angles with measures greater than 90.
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Acute angles measure greater than 0 degrees and less than 90 degrees. Obtuse angles measure greater than 90 degrees and less than 180 degrees.
Angles are classified as follows:- Acute angle is greater than 0 but less than 90 degrees Right angle is 90 degrees Obtuse angle is greater than 90 but less than 180 degrees Relex ange is greater than 180 bot less than 360 degrees A full turn or rotation is 360 degrees
An angle less than a right angle is considered an acute angle. Acute angles are defined as angles that measure greater than 0 degrees and less than 90 degrees. Therefore, there are an infinite number of angles that are less than a right angle, as any angle between 0 and 90 degrees (exclusive) would fall into this category.
A reflex angle is one whose measure is greater than 180 degrees but less than 360 degrees. Vertical angles can be reflexive.
A trapezoid can have at most one angle greater than 90 degrees. This angle is typically referred to as an obtuse angle. The other three angles in a trapezoid are acute angles, meaning they are less than 90 degrees.