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20 August, 20:10

The complement of 20°17' is

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  1. 20 August, 20:30
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    Answer:69°43'

    Step-by-step explanation:

    Complementary angles add up to 90

    Let them complement be y

    y+20°17'=90°

    Collect like terms

    y=90-20°17' 20°17'=1217/60

    y=90-1217/60

    y = (60x90 - 1 x 1217) / 60

    y = (5400-1217) / 60

    y=4183/60

    y=69°43'
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