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MathematicsMathematics
16 April, 04:29

Which of these angles are supplementary?

A. 100o and 90o

B. 78o and 102o

C. 54o and 146o

D. 12o and 78o

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Answers (2)
  1. 16 April, 04:54
    0
    B

    Step-by-step explanation:

    Supplementary angles add to 180 degrees. Add each of the angles to see if they add to 180.

    A. 100 + 90 = 190 NO

    B. 78 + 102 = 180 YES

    C. 54 + 146 = 200 NO

    D. 12 + 78 = 90 NO
  2. 16 April, 04:56
    0
    Answer: B. 78 degrees and 102 degrees
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Home » Mathematics » Which of these angles are supplementary? A. 100o and 90o B. 78o and 102o C. 54o and 146o D. 12o and 78o
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