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3 February, 20:43

Aaron bought a set of plastic ice cubes with a mixture of water and air inside.

2 rectangular pyramids are stacked on the bases. The pyramid has a rectangular base of 15 millimeters by 20 millimeters, and a height of 30 millimeters.

What volume of water and air is inside each of the plastic ice cubes?

1,500 millimeters cubed

3,000 millimeters cubed

4,500 millimeters cubed

6,000 millimeters cubed

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  1. 3 February, 23:38
    0
    Volume of water and air is 3,000 mm³

    Step-by-step explanation:

    Given:

    Length of base = 15 mm

    Width of base = 20 mm

    Height of figure = 30 mm

    Find:

    Volume of water and air is inside each of the plastic ice cubes.

    Computation:

    Height of each rectangular pyramid = Height of figure / 2

    Height of each rectangular pyramid = 30 / 2

    Height of each rectangular pyramid = 15 mm

    Volume of each rectangular pyramid = lbh / 3

    Volume of each rectangular pyramid = [15 * 20 * 15] / 3

    Volume of each rectangular pyramid = [4,500] / 3

    Volume of each rectangular pyramid = 1,500 mm³

    Volume of water and air is inside each of the plastic ice cubes = 2 * Volume of each rectangular pyramid

    Volume of water and air is inside each of the plastic ice cubes = 2 * 1,500

    Volume of water and air is inside each of the plastic ice cubes = 3,000 mm³
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