No.
An obtuse angle.
30 30 150 150
90 degrees
A pair of supplementary angles adds up to 180 degrees. Therefore, the supplement to a 150 degree angle is 180 - 150 = 30 degrees.
Obtuse.
Yes, it is.
150 degrees
30 30 150 150
Interior angle is 150 degrees.
It is an angle measuring 30 degrees. But such an angle does not have a specific name.
bisect between 120 and 180 degree ( 120 + 180= 300/2 =150)