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March 25, 2017

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Iam stuck.Please anyone help me. P and Q are two trees 490m apart beside a river. F is a flagpole on the other side of the river. If angle PQF=43 degree and angle QFP = 36 degree, Find the distance PF.

  • Maths - ,

    using the law of sines,
    PF/sin43° = 490/sin36°
    plug and chug

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