Question

find an angle which is four times of its supplement​

Answer 1

Answer:

144°

Step-by-step explanation:

let the angle be x

it's supplement = 180 - x

ATQ

x = 4 (180 - x)

x = 720 - 4x

5x = 720

x = 144

Answer 2

Step-by-step explanation:

x=4(180-x)

x=720-4x

=144