Arectangular prism has a length of 8 in a width of 4 in and a height of 2 1/4 in.

the prism is filled with cubes that have edge lengths of 14 in.

how many cubes are needed to fill the rectangular prism?

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to fill the rectangular prism,
cubes are needed.

Change the dimensions of the right rectangular prism to improper-like fractions. The dimensions are 9/4, 2/4, and 4/4 inches.

To find the volume of this right rectangular prism, fill it with ¼ inch cubes. It takes 64 – ¼ inch cubes to fill one unit cube.

The right rectangular prism can be filled with ¼ inch cubes. It takes 9 x 2 x 4 cubes to fill this right rectangular prism. It takes 72 – ¼ inch cubes to fill this right rectangular prism.

The volume of the right rectangular prism is 9/4 x 2/4 x 4/4 = 72/64 or 1 8/64 or 1 1/8 cubic inches.

d

step-by-step explanation:

i used the pitagoras theoreme