(y+20)° and 3y° are supplementary angeles then find the measures of each angle
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4
Answer:
y+20⁰+3y = 0
4y = -20
y = -5
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0
Answer:
as the angles are supplementary,
so,
y+20+3y=180
4y=180-20=160
y=160/4=40
so the angles are (40+20)°=60°
and 3.40°=120°
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