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# DS: Cube

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Director
Joined: 05 Jan 2008
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10 May 2008, 03:34
00:00

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0% (00:00) correct 0% (00:00) wrong based on 0 sessions

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Diag for Square.JPG [ 36.43 KiB | Viewed 911 times ]

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Persistence+Patience+Persistence+Patience=G...O...A...L

Intern
Joined: 02 Apr 2008
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10 May 2008, 05:25

Stat1: sufficient 600 = 6*a sqrt 2 --> a=10--> V=1000. Suff.
Stat2: draw a right triangle inside the cube. realize that legs of that rigth triangle are a sqrt2 and a. AS (probably meant to be denoted as AB?) equals a sqrt 3= 10 sqr 3 --> a=10, V = 1000. Suff
Senior Manager
Joined: 02 Dec 2007
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11 May 2008, 11:51
D for me .

1) cube SA = 6a^2 so a = 10
2) Diag = u find hypotenuse twice. so it can be found.
Re: DS: Cube   [#permalink] 11 May 2008, 11:51
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