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21 December, 08:38

The sum of the angles of a 180 the angle measures are 3x 7x and 8x

what is the value of x

what are the measures of each angle?

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Answers (1)
  1. 21 December, 08:42
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    A triangle has angles of 3x, 7x, and 8x that add up to 180

    3x + 7x + 8x = 180

    combine like terms

    18x = 180

    Divide both sides by 18

    x = 10

    Angle 3x = 3 (10) = 30

    Angle 7x = 7 (10) = 70

    Angle 8x = 8 (10) = 80
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