obtuse
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An obtuse angle is an angle that is larger that 90 degrees but smaller than a straight angle (180 degrees).
An obtuse angle has more than 90 degrees. An obtuse angle is larger than a right angle (90 degrees) and smaller than two right angles (180 degrees), so an obtuse angle is between 90 and 180 degrees.
a reflex angle - bigger than 180 degrees but smaller than 360.
A 99-degree angle is called an obtuse angle. In geometry, an obtuse angle is an angle that measures between 90 and 180 degrees. It is larger than a right angle (90 degrees) but smaller than a straight angle (180 degrees).
An angle that measures 300 degrees is called a "reflex angle." A reflex angle is an angle that is greater than 180 degrees but less than 360 degrees. In this case, a 300-degree angle is greater than a straight angle (180 degrees) but less than a full rotation (360 degrees).