Question

find the angle which is one fifth of its supplement

Answer 1

Let the supplement be x.
angle=x/5
x/5+x=180
⇒6x/5=180
⇒6x=180×5
⇒x=150°
∴x/5=30°

Answer 2

Let tha angle be A
Supplement of A is 180-A
A=(180-A)/5
5A= 180-A
6A= 180
A = 30
PLZ MARK BRAINIEST IF U LIKE MY ANSWER ☺☺☺