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25 September, 13:57

The bed of a pick up truck measures 4' x 8" to the nearest inch what is the length of the longest thin metal bar that will lie flat in the bed

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  1. 25 September, 14:15
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    Ok so what y ou want to do it to max space, lie it diagonally

    use pythagoren theorem

    first convert the units

    4'=4 feet

    8''=8 inches

    convert to inches

    4 feet times 12=48 inches

    so

    pythagorea theorem is

    a^2+b^2=c^2

    c=hypotonuse

    a and b are legs

    in a right triangle

    8 and 48 are the legs

    fidn hypotonuse

    8^2+48^2=c^2

    64+2304=c^2

    2368=c^2

    8√37=c

    aprox

    48.66=c

    4 feet amd 0.66 inches
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