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A total of 125 cubes are present. They are stacked in layers
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27 Jun 2021, 11:02
27 Jun 2021, 11:02
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Question Stats:
9% (02:16) correct
90% (01:51) wrong based on 21 sessions
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A total of 125 cubes, each 2 inches on an edge, are stacked in layers to form a large solid cube. What is the surface area in square inches of the large cube?
A. 200
B. 500
C. 600
D. 1500
E. 3000
A. 200
B. 500
C. 600
D. 1500
E. 3000
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Re: A total of 125 cubes are present. They are stacked in layers
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29 Jun 2021, 09:58
29 Jun 2021, 09:58
2
axeus25 wrote:
A total of 125 cubes, each 2 inches on an edge, are stacked in layers to form a large solid cube. What is the surface area in square inches of the large cube?
A. 200
B. 500
C. 600
D. 1500
E. 3000
A. 200
B. 500
C. 600
D. 1500
E. 3000
Volume of each small cube = \(2^3 = 8in^3\)
Volume of 125 small cubes = \(125 (8) = 1000in^3\)
So, side of larger cube with volume \(1000in^3\), is \(10in\)
Total Surface Area of larger cube \(= 6a^2 = 600in^2\)
The answer should be C???
Re: A total of 125 cubes are present. They are stacked in layers
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29 Jun 2021, 22:40
29 Jun 2021, 22:40
Yes the answer should be C.
