Question

The angles are supplementary and a larger is 20 degree less than three times the smaller

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Answer 1

Answer:

Let the smaller angle be x. Then the larger one is 3x-20. Since they are supplementary

x + 3x - 20= 180 => 4x = 200 => x = 200/4=50

So the smaller angle is 50° and the larger one is

150–20=130°

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