Question 399368
   <pre><font size = 3 color = "indigo"><b>
Hi
angle is 4 times is supplement
Let x and 4x represent the two supplementary angles
Question states***
  x + 4x = 180°
    5x = 180°
     x = 36° , it's supplement is 144°

CHECKING our Answer***
  36° + 144° = 180°