A obtuse angle is called an obtuse angle because if obtuse means bigger in degrees and a right angle is 90 degrees than a obtuse angle must be over 90 degrees.
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An obtuse angle.
That's an obtuse angle.
Obtuse angle
140 degrees is an obtuse angleAn angle of 140 degrees would be called obtuse.
It's an obtuse angle. Not exactly, an obtuse angle is an angle that is more than 90 degrees.