Question

find the angle which is 5 degree more than four times its supplement

Answer 1

let the required angle be 'x'
so...its supplement =180°-x
therefore, according to question
x=5°+4(180°-x)
x=5°+720-4x
x+4x=720+5
5x=725
x=725/5
x=145°
HENCE THE REQUIRED ANGLE IS 145°