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Two plam trees are of equal …

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Two plam trees are of equal height and are standing opposite each other on either side of river which is 80m wide From a point o between them on the river

    • Posted by Arohi Sinha 4 years, 8 months ago

    CBSE > Class 10 > Mathematics
    • 2 answers

    Satyam Kumar Singh 4 years, 8 months ago

    Bh ghhh

    0Thank You

    Gaurav Seth 4 years, 8 months ago

    Let BD = river 

    AB = CD = palm trees = h 

    BO = x 

    OD = 80 - x 

    In ∆ABO, 

    tan60˚ = hxhx

    √3 = hxhx ---- (1) 

    H = √3x 

    In ∆CDO, 

    tan30˚ = h80−xh80−x

    13√13 = h80−xh80−x --- (2) 

    Solving (1) and (2), we get 

    x = 20 

    H = √3x = 34.6 

    The height of the trees = h = 34.6m 

    BO = x = 20m 

    DO = 80 - x 

    = 80 - 20 = 60m 

    0Thank You

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