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29 March, 09:13

If a standard drinking straw is 19.5 cm long and has a diameter of 0.6 cm how many square centimeters of plastic are used in one straw?

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  1. 29 March, 09:27
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    The given values of this problem are:

    Length = 19. 5 cm

    Width (diameter) = 0.6 cm

    The unknown is: how much square cm of plastic are used in one straw? In other words the area of the straw.

    Derivations and solutions:

    Area = length x width

    Area = 19. 5 cm x 0.6 cm

    Area = 11.7 cm (squared) / 11.7 cm^2
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