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500 ps test6 #6

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Master | Next Rank: 500 Posts
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by dunkin77 » Thu Apr 05, 2007 2:09 pm
Hi,

The answer is C) but I could not understand "the total length of the heavy line segments" indicates which part...

Can you help??

thanks!
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by gabriel » Fri Apr 06, 2007 12:31 am
hmmm ... me not able to get the heavy line segment part either ....
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by jayhawk2001 » Fri Apr 06, 2007 6:59 am
Is it asking for the perimeter of the outer line segments (of the rectangles)
excluding the triangle ? I don't understand "heavy line segments" as well.

Doing a bit of reverse engineering (given that we know the answer :-)),

2 * perimeter of rectangles - perimeter of inner triangle
= 2 * 12 - 3
= 21

???
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by rajesh_ctm » Fri Apr 06, 2007 6:27 pm
In the diagrams, when a line could be either continuous or dotted, we also refer to the continuous part as heavy. Supposedly the shaded part is dashed and rest is heavy here.
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by Cybermusings » Fri Apr 06, 2007 11:49 pm
I guess Rajesh is right...

After the clarification the question becomes a cakewalk...

Thanks Rajesh
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