The definition of an obtuse angle is that it is greater than 90 degrees and less than 180. By this definition, the smallest obtuse angle you can have is 90.00001 degrees, with infinite 0's.
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No, an obtuse triangle can not have more than one obtuse angle. This is because all of the angles have to add up to 180 and the smallest obtuse angle you can have is 91 degrees. So 180-91=89. 89 degrees is the angle that you need to complete the triangle and it is an acute angle. Therefore, you can not have more than one obtuse angle in an obtuse triangle.
Any obtuse angle is greater than 90 but less than 180 degrees
An obtuse triangle has an obtuse angle.
An obtuse angle has no complementary angle.
115 degrees is an obtuse angle