Its supplementary angle is 121 degrees
118 degree angle
180-31=149 149 degree angle
An obtuse angle
The supplementary angle to a 145 degree angle will be a 35 degree angle because 145 + 35 = 180.
180 degree angle
118 degree angle
83 degree angle
It is 120-degree angle are supplementary.
140o
180-31=149 149 degree angle
An obtuse angle
101
supplementary angle
The supplementary angle to a 145 degree angle will be a 35 degree angle because 145 + 35 = 180.
180 degree angle
59
140