find the supplement angle of 3x
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4
let be ither angle be y
then 3x+y= 180
or x=180/3 =60
60 +y=180
y=180-60
y= 120
verify not sure
then 3x+y= 180
or x=180/3 =60
60 +y=180
y=180-60
y= 120
verify not sure
Answered by
2
Answer:
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