Question

find the measure of an angle which is four times its supplement ​

Answer 1

Answer:

angle is 144°

Step-by-step explanation:

let the angle be x

and it's supplementary angle be y

x=4y____(i)

also,

x+y=180_____(ii)

putting value of x from eq.(i) to eq.(ii)

4y+y=180

5y=180

y=36

x=4x36

x=144

Answer 2

Answer:

36°,144°

Step-by-step explanation:

let angles be x°,4x°

x°+4x°=180°   (supplementary angles)

5x°=180°

x°=180°/5

x°=36°

4x°=36°*4

   =144°

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