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March 24, 2017

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a 30 foot ladder leans against a wall at a 71 degree angle of elevztion find the distance of a ladder's base to the wall

  • trig - ,

    Try to draw an image of the ladder leaning against the wall. The diagram will look like a right abgled triangle.
    Now let the distance of the ladders base to the wall = x
    Cos 71 = x / 30
    x = 30Cos71
    x = 9.8

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