Question 158108
Let the angle be A, then its supplement would be 180-A and its complement would be 90-A. From the problem description...
The supplement of A (180-A) is 30 degrees more than three times its complement (90-A), and this can be expressed as:
180-A = 3(90-A)+30 Simplify and solve for A.
Once you have found A, you can then find its supplement, 180-A.
Good luck!