An angle of 98 degrees is an obtuse angle because it is greater than 90 but less than 180 degrees
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Its supplementary angle is 82 degrees because 82+98 = 180 degrees
angle between 90 and 180 degrees is A obtuse angle
360 - 98 = 262
the supplement of an 82 degrees angle would be 98 degrees. To find the supplement of an angle, take the degrees of the angle you were given and subtract it from 180.
The following are angles in a convex quadrilateral: Angle A = 80 degrees Angle B = 98 degree Angle C = 70 degrees What is the measure of the missing angle?