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24 January, 22:49

If A and B are supplementary and mA = 37°45', then mB = 142°15'. True False

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  1. 25 January, 02:21
    0
    True.

    Step-by-step explanation:

    37°45' + 142°15'

    = (37 + 142) ° + (45 + 15) '

    = 179° + 60'

    = 179° + 1°

    = 180°

    there being 60 minutes of arc in one degree of arc.
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