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Math

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One end of a rope is tied to the top of a pole which is 30cm long and the rope is pulled tant then the other and is tied to a peg on the level ground.the angle of elevation which the rope makes with the ground is 55 degree celsius. Find the distance from the peg to the base of the pole?

  • Math - ,

    The rope and pole form a rt. triangle
    with the gnd. forming the hor. leg.

    Tan A = Y/X = 30/X
    Tan 55 = 30/X.
    X = 30/Tan55 = 21 cm.

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