Question

find the measure of an angle that is double its supplement

Answer 1

Let the first angle be x and let the second angle be y
y = 2x
x + y = 180
x + 2x = 180
3x = 180
x = 60
y = 2x = 120

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Answer 2

Let the required numbers be x and 2x.
If they are supplements then,
x+2x=180
3x = 180
x=60
The required number is 2x =120.. Ans
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