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4 December, 18:09

Adam and Brian are standing some distance apart on the side of a building 50 m tall. from where Adam stands, the angle of elevation of the top of the building is 30' from where Brian stands, the angle is 60 what is the distance x between Adam and Brian to the nearest tenth of a meter

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  1. 4 December, 19:57
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    Tanα=h/d

    d=h/tanα, h is 50m for both calculations ...

    a=50/tan30

    b=50 / (tan60)

    The distance, d, between them is

    d=a-b

    d=50/tan30-50/tan60

    d≈57.7m
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