Answer :

bala001
let the of the angle be x degrees. then the measure of its supplement is 180-x.
Angle =4×(its supplement)
⇒x=4(180-x)
⇒x=720-4x
⇒5x=720
⇒x=144
AcharyaVII
Let the angle be x.
Its supplement=180-x 
4 times the angle's supplement=4*(180-x)
Given, x=4(180-x)
or,x=720-4x
or,5x=720
or,x=720/5=144.
Ans:The angle is 144*.

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