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28 September, 11:31

Angles A and B are complementary. If mA is 13°, what is the measure of B? A. 167° B. 347° C. 13° D. 77°

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  1. 28 September, 13:44
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    D

    Step-by-step explanation:

    complementary sums until 90 degrees

    90-13=77
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