An obtuse angle is greater (more) than 90 degrees. An acute angle is less than 90 degrees.
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An acute angle is greater than 0 but less than 90 degrees An obtuse angle is greater than 90 but less than 180 degrees
An obtuse angle is greater than 90 but less tham 180 degrees whereas an acute angle is greater than 0 but less than 90 degrees.
It is a reflex angle. A reflex angle is an angle that's greater than 180 degrees. An obtuse angle is an angle that's greater than 90 degrees but less than 180 degrees.
acute has a smaller openinig and obtuse has a larger opening A right angle is 90 degrees; an acute angle is less than 90 degrees and an obtuse angle is greater than 90 degrees.Obtuse angles are angles between 90 and 180 degrees while acute angles are between 0 and 90 degrees!
An angle of 140 degrees is an obtuse angle because it is greater than 90 but less than 180 degrees.