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23 November, 01:01

One early escalator built in 1896 rose at an angle of 25 degrees. The vertical lift was 7 feet. Estimate the distance d a person traveled on this escalator

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  1. 23 November, 01:11
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    The distance d that a person traveled on the escalator=16.56 feet

    Step-by-step explanation:

    To estimate the distance traveled by the elevator we can use the formula;

    Sin ∅=Opposite side/Hypotenuse side

    where;

    ∅=25°

    Opposite side=vertical lift=7 feet

    Hypotenuse=distance, d

    replacing;

    Sin 25=7/d

    d*sin 25=7

    d sin 25=7

    d=7/Sin 25

    d=7/0.4226

    d=16.56 feet

    The distance d that a person traveled on the escalator=16.56 feet
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