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8 May, 06:31

Solve for x and y.

parallel lines

x = 12, y = 14

x = 4, y = 14

x = 8.6, y = 4

x = 12, y = 4

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Answers (1)
  1. 8 May, 06:55
    0
    Because the two lines are parallel, the vertically opposite angles will be congruent, and because of the definition of supplementary angles, you can set (15x - 5) = 180 - 125 then solve for x.

    15x - 5 = 55

    15x = 60

    x = 4

    There's only one option when x = 4, so y must = 14.
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