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19 September, 02:39

The measure of an angle is 63.7°. What is the measure of its supplementary angle?

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  1. 19 September, 02:56
    0
    116.3

    Step-by-step explanation:

    Supplementary angles add to 180

    One angle is 63.7, the other is x

    63.7+x = 180

    Subtract 63.7 from each side

    63.7-63.7+x = 180-63.7

    x = 116.3
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