What angle is supplementary to 123.9 ​

Question

What angle is supplementary to 123.9

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Delwyn 3 years 2021-09-05T14:41:11+00:00 2 Answers 10 views 0

Answers ( )

  1. Neala
    0
    2021-09-05T14:42:22+00:00
    Reply

    The answer is “56.1” ( as you need to simply subtract 123.9 from 180 ) as supplementary means the sum of the two angle will be 180

  2. yenoanh
    0
    2021-09-05T14:42:47+00:00
    Reply

    56.1(subtracting 123.9 from 180)

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )