It is neither, a 180 degree angle is a straight angle. 90 degrees is a right angle. Angles between 90 and 180 degrees are obtuse. Angles over 180 degrees are reflex.
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obtuse angle
A obtuse angle is one between 90o and 180o. An reflex angle is one between 180o and 360o.
Reflex
An angle of 234 degrees is considered a reflex angle. A reflex angle is an angle that measures between 180 and 360 degrees. In this case, 234 degrees falls within that range, making it a reflex angle.
obtuse angle reflex angle right