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What is the angle between the 2 diagonals of the adjacent

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Senior Manager
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What is the angle between the 2 diagonals of the adjacent [#permalink] New post 22 Aug 2006, 08:10
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What is the angle between the 2 diagonals of the adjacent faces of a cube?
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Re: Geometry problem help guys [#permalink] New post 22 Aug 2006, 08:32
apollo168 wrote:
What is the angle between the 2 diagonals of the adjacent faces of a cube?


I'd guess 90. Isn't this vector problem? Any math majors here should be able to help!
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 [#permalink] New post 22 Aug 2006, 08:33
Answer is 60 :) Driving me nuts
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 [#permalink] New post 22 Aug 2006, 08:43
apollo168 wrote:
Answer is 60 :) Driving me nuts


Now that you have given the ans, the solution strikes me as very obvious, but unfortunately thats not how GMAT works!

anyway imagine that diaognals of 3 adjacent sides of a cube form an equilateral triangle in a plane! viola!
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 [#permalink] New post 22 Aug 2006, 08:51
That could work hehe
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 [#permalink] New post 22 Aug 2006, 10:03
I see the light now :-)
  [#permalink] 22 Aug 2006, 10:03
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What is the angle between the 2 diagonals of the adjacent

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