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7 January, 02:37

Let mAngleA = 40°. If AngleB is a complement of AngleA, and AngleC is a supplement of AngleB, find these measures. mAngleB = ° mAngleC = °

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  1. 7 January, 02:58
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    B is 50° and C is 130°

    Step-by-step explanation:

    complementary angle

    x+x=90°

    40°+x=90°

    x=90°-40°

    x=50°

    supplementary angles

    x+x=180

    50+x=180

    x=180-50

    x=30°
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