saintsfan2004
25.09.2019 •
Mathematics
If two angles are supplementary (sum of the two angles equals 180 degrees), find each angle if one angle is 30 degrees more than twice the other angle.
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Ответ:
Let angle A be x
Then angle B is 2x+30°
Angle A+ angle B =180°[given}
X+2x+30=180°
3x=180-30
x=150÷3
x=50
Angle A =50°
Angle B =130
Ответ: