Question

please answer it fast ​

Answer 1

Answer:

Let the unknown angle be 'x'

Its supplementary angle = 180 -x

According to the question

x = ⅕(180 - x)

5x= 180 - x

5x+x = 180

6x = 180

x=180/6

x = 30°

Hope it helps you . Mark as brainliest