SOLUTION: Two angles are adjacent and form a 120º. The larger is 20º less than three times the smaller. Please help. Thank you.
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Question 345712: Two angles are adjacent and form a 120º. The larger is 20º less than three times the smaller. Please help. Thank you. Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! Two angles are adjacent and form a 120º. The larger is 20º less than three times the smaller.
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angle: x
angle: 3x-20
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Equation:
x + 3x-20 = 120
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4x = 140
x = 35 degrees
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3x-20 = 105-20 = 85 degrees
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Cheers,
Stan H.
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