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21 August, 23:55

Douglas is placing strings of lights around the edge of a circular patio with a diameter of 7.5 m. The lights are in lengths of 1.45 m. What is the best approximation for how many strings of lights Douglas needs? Use 3.14 to approximate for π.

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  1. 22 August, 01:30
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    Circumference of circular path=pi*d^2/4

    =44.156

    length of light=1.45

    light needed=44.156/1.45

    =31 approx
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