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8 September, 16:42

Angle x and y are complementary. Angle x is supplementary to a 128º angle.

What are the measures of angle x and angle y?

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Answers (2)
  1. 8 September, 16:53
    0
    x = 52°

    y = 38°

    Step-by-step explanation:

    x = 180 - 128

    x = 52

    y = 90 - 52 = 38
  2. 8 September, 17:11
    0
    x = 52

    y = 38

    Step-by-step explanation:

    Angle x is supplementary to a 128º angle.

    Supplementary angles add to 180

    x+128 = 180

    Subtract 128 from each side

    x+128-128 = 180-128

    x = 52

    Angle x and y are complementary.

    Complementary angles add to 90

    x+y = 90

    52+y = 90

    Subtract 52 from each side

    52-52 + y = 90-52

    y = 38
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