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Re: A cube of cheese is 3-inches high. The cheese is sliced twic [#permalink]
@Bunuel Can you please explain this one?
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Re: A cube of cheese is 3-inches high. The cheese is sliced twic [#permalink]
Same! I also would like for an explanation please. I said B but it's wrong.
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Re: A cube of cheese is 3-inches high. The cheese is sliced twic [#permalink]
3
One way is to not slice straight down, using, instead, a circular cut. By giving the cheese a circular cut, the area will involve \(pi\) so ans will not equal \(90\).

To make the total surface area equal to \(90\) a combination of \(3\) blocks with length=\(1\); breadth=\(3\); height=\(3\) (this shape can be obtained by cutting so that the length reduces but other dimension are intact)
Option D
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Re: A cube of cheese is 3-inches high. The cheese is sliced twic [#permalink]
Thanks for the explanations!
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Re: A cube of cheese is 3-inches high. The cheese is sliced twic [#permalink]
What is the length 100 mile or 1 cm

nothing there.

Ans: D
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Re: A cube of cheese is 3-inches high. The cheese is sliced twic [#permalink]
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Re: A cube of cheese is 3-inches high. The cheese is sliced twic [#permalink]
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