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In the figure above, two rectangles with the same dimentions

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SVP
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In the figure above, two rectangles with the same dimentions [#permalink] New post 07 Jan 2008, 01:42
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A
B
C
D
E

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In the figure above, two rectangles with the same dimentions overlap to form the shaded region. If each rectangle has perimeter 12 and the shaded region has perimeter 3, what is the total length of the heavy line segments?

a) 15
b) 18
c) 21
d) 22
e) 23


Please explain your answer.
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Last edited by tarek99 on 07 Jan 2008, 05:14, edited 1 time in total.
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Re: PS: Geometry [#permalink] New post 07 Jan 2008, 03:29
There is no solution for this question. Either you miss some data or I am so stupid I can not resolve it.
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Re: PS: Geometry [#permalink] New post 07 Jan 2008, 05:15
i'm really sorry! there was a typo in the question. i just corrected the question.
thanks! anyone?
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Re: PS: Geometry [#permalink] New post 07 Jan 2008, 13:42
Hi all, this is my first post..
I think the answer is C
Length of bold lines= 2*Perimeter of Rectangle - perimeter of shaded region
L=24-3
L=21

QA?
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Re: PS: Geometry [#permalink] New post 07 Jan 2008, 14:29
akhi wrote:
Hi all, this is my first post..
I think the answer is C
Length of bold lines= 2*Perimeter of Rectangle - perimeter of shaded region
L=24-3
L=21

QA?


yes. it is the length of the bolded lines in total. so it will be 24-3=21
C.

has been discussed earlier
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Re: PS: Geometry [#permalink] New post 12 Jan 2008, 11:33
damn, that was a lot easier than expected! thanks guys. the OA is C
Re: PS: Geometry   [#permalink] 12 Jan 2008, 11:33
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In the figure above, two rectangles with the same dimentions

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