Question

The measure of an angle is twice the measure of its supplementary angle.What is its measure?

Answer 1

here is your angle

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Answer 2

Equations:

x + y = 180 degrees

x = 2y

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Substitute and solve for "y":

2y+y = 180

y = 60 degrees

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x = 2y = 120 degrees

Given:

let x = 1st angle

let 2x = 2nd angle

Solution:

x+2x=180

3x=180

3x/3 = 180/3

x = 60

Answer:

1st angle is 60 degrees

2nd angle is 120 degrees