If an angle is 20 degree less tha 3 times its supplement.find the angle
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let the angle be x
20-3(x-180)
=20-3x+54
=74-3x
X=24.3°
is it right?
20-3(x-180)
=20-3x+54
=74-3x
X=24.3°
is it right?
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