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25 August, 10:54

Hannah is designing containers to hold 300 cm3 of juice. Which container is more efficient?

1st container: witdh9.33cm Lenght 3.2cm

2nd container: witdh 20.5cm lenght 6.5cm and on the side 3.25cm

The cylinder has a ... A) Smaller surface area B) bigger C) equal

And will cost ... A) Less to produce B) more C) The same

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  1. 25 August, 11:58
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    a) 2nd container is more efficient and contains the elements for a container.

    b) The cylinder has a ... A) Smaller surface area B) bigger C) equal

    And will cost ... A) Less to produce B) more C) The same

    Step-by-step explanation:

    a) The 2nd container has these elements:

    Width 20.5cm

    Length 6.5cm

    side 3.25cm

    So, the volume in cubic cm is 20.5 x 6.5 x 3.25 = 433cm3.

    This container can hold the 300cm3 of juice.

    b) A cylinder is a geometric solid common in everyday life. Examples of a cylinder are soup cans, food tins, drink cans, candles, toilet paper rolls, cups, aerosol cans, flower vases, test tubes, fire extinguishers, plant containers, salt shakers and pencil holders. The two ends are called bases, and are usually circular. Though, they can take other shapes. When a cylinder is unrolled and flattened out, the side is actually a rectangle.

    The surface area of a cylinder is the surface area of each end plus the surface area of the side. The mathematical formula is 2π * r2, where π is the pie and r is the radius of the end and r2 is r squared ...
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