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March 27, 2017

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A guy wire runs from the ground to a cell tower. The wire is attached to the cell tower 150 feet above the ground. The angle formed between the wire and the ground is 40° (see figure). (Round your answers to one decimal place.)

  • trig - ,

    We form a rt triangle:

    Y = 150 Ft. = Ver. side.
    X = Hor. side = Dist. from bottom of tower to point where wire attaches to gnd,
    Z = hyp. = Length of wire.

    Z = Y/sin40 = 150 / sin40 = 233.4 Ft.
    X = Z*cos40 = 233.4*cos40178.8 Ft.

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