106 degrees is an obtuse angle
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It is an obtuse angle
If the obtuse angle on a straight line is 148 degrees, then the acute angle would be the supplementary angle to the obtuse angle on the same line. The sum of the measures of two supplementary angles is always 180 degrees, so the acute angle would be 180 - 148 = 32 degrees.
103 degrees is an obtuse angle because it is greater than 90 but less than 180 degrees
An obtuse angle is a measurement of 91 degrees to 179 degrees. If it is 90 degrees, it is a right angle. If it is 1 degree to 89 degrees it is an acute. If it is 180 degrees it is a straight angle.
An obtuse angle is any angle that is between 91 degrees and 179 degrees. It can be added to a supplementary acute angle to form a straight line.