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If the figure above is a rectangular solid composed of cubes

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If the figure above is a rectangular solid composed of cubes [#permalink] New post 04 Aug 2018, 10:41
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78% (00:40) correct 21% (01:29) wrong based on 33 sessions
Attachment:
cube.jpg
cube.jpg [ 26.24 KiB | Viewed 1019 times ]


If the figure above is a rectangular solid composed of cubes, each with edge of length 4 centimeters, what is the volume of the rectangular solid in cubic centimeters?

(A) 100

(B) 256

(C) 400

(D) 5,120

(E) 6,400
[Reveal] Spoiler: OA

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Re: If the figure above is a rectangular solid composed of cubes [#permalink] New post 04 Aug 2018, 18:17
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Carcass wrote:
Attachment:
cube.jpg


If the figure above is a rectangular solid composed of cubes, each with edge of length 4 centimeters, what is the volume of the rectangular solid in cubic centimeters?

(A) 100

(B) 256

(C) 400

(D) 5,120

(E) 6,400



It can be seen that two sides consist of 5 cubes and the last side consist of 4 cubes.

i.e one side will =\(4 * 5 = 20\), other side is \(4 * 5 = 20\), and the last side = \(4 * 4 = 16.\)

Therefore the volume of the rectangular solid = \((20) * (20) * (16) = 6400\)
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Re: If the figure above is a rectangular solid composed of cubes   [#permalink] 04 Aug 2018, 18:17
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If the figure above is a rectangular solid composed of cubes

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