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trigonometry

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From a point 150 ft from the base of a building the top and the base of a flagpole on a roof edge have angles of elevation of 27degrees49' and 21degrees42' respectively. Find the height of the pole.

  • trigonometry - ,

    height of building from ground:

    tan 21 42/60 = h/150

    height of flagpole top from ground:

    tan 27 49/60 = H/150

    then height of pole = H-h

  • trigonometry - ,

    22.115

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