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11 October, 17:53

An angle measures 82 degrees more than the measure of its supplementary angle. What is the measure of each angle

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  1. 11 October, 17:54
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    Smaller Angle: 49 degrees

    Bigger Angle: 131 degrees

    Note that supplementary angles add up to be 180 degrees. Knowing this and the information provided in the question, we can use the following system of equations:

    x + y = 180 (showing they both add up to 180)

    x + 82 = y (to show one angle is 82 more than the other)

    We can use the substitution method to solve. Since the second equation ends in " = y" we can substitute the value of it into y for the first equation.

    x + y = 180; x + 82 = y = => x + (x + 82) = 180

    And now, solve for x:

    x + (x + 82) = 180

    x + x + 82 = 180 > combine like terms

    2x + 82 = 180

    2x = 98

    x = 49

    So now we have the value for one of the angles! Remembering that the other angle is 82 degrees bigger, dd 49 + 82, which equals 131.

    So, our two angle values are 131 and 49! This is correct since both angle measures add up to be 180, which also makes them supplementary!
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