Question

find the measure of an angle that is double its supplement

Answer 1

$y = 2x \\ \\ x + y = 180 \\ \\ \\ x + 2x = 180 \\ \\ 3x = 180 \\ x = 60 \\ \\ y = 120$


angle=120°

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Answer 2

Answer:

120° is answer

Step-by-step explanation:

The measurement of an angle that is double means =2x

and it's supplement means = 180°

Now,

x+2x=180°

there is one more x so ,

x+2x= 3x

then,

3x=180°

x=180/3

x=60°

so we know the angle 1 that is = 60°

now we have to find the angle 2 = 2x= 2×60 = 120°

so, we also know the angle 2 that is = 120°

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