An obtuse angle is an angle that has a degrees measurement greater than 90 and less than 180. Anything below 90 would be considered acute. Anything 180 would be considered straight.
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An obtuse angle is any angle greater than 90 degrees (pi/2) and less than 180 degrees (pi).
An obtuse triangle has an obtuse angle.
An obtuse angle has no complementary angle.
115 degrees is an obtuse angle
When an angle has a measure of 120 degrees, it is an obtuse angle. When an angle is an obtuse angle its measure is between 90 and 180 degrees. That is: 90 degrees < obtuse angle < 180 degrees.
an obtuse angle