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a ladder of length 3.5m rests against a vertical wall and makes an angle of 40 degrees with the floor. How far up the wall does the ladder reach?

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Nazneen

  1. the ladder is the HYPOTENUSE

    the wall is OPPOSITE the 40ยบ angle

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    R_Scott

  2. sin40 = h/3.5.
    h = 3.5*sin40.

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    henry2,

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