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9 September, 00:57

1. If two angles are supplementary and one of them is 30°, what is the measurement of the second angle? A. 90° B. 60° C. 180° D. 150°

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  1. 9 September, 02:19
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    I took the quiz myself a little bit ago, the correct answer is of course, D.
  2. 9 September, 04:30
    0
    Supplementary angles always add up to 180 degrees.

    180-30 degrees (known angle) = 150 degrees

    Final answer: D
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