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Trigonometry

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The angle of elevation of the sun is 20 degrees. At the same time,how long is the shadow cast by a building 50 meter high?

  • Trigonometry -

    You would start off by setting up the equation as follows:

    tan20=50/x (You would use tan because of the chief, SOHCAHTOA tan is opposite over adjacent.

    multiply by x on both sides leaving you with
    xtan20=50

    Divide by tan 20.

    Your answer would be 137.37 meters

  • Trigonometry -

    tan20=50/x
    xtan20=50
    50/tan20
    137.37 meters

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