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Triangle area twice another triangle area

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Junior | Next Rank: 30 Posts
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by galinaphillips » Sat Jun 02, 2007 4:57 pm
I have this question on the MBA.COM GMAT practice test 2.
I've attached an image showing the problem.

Could someone help me understand why the third option is the correct answer?
Thanks!
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by sudhirsk » Sat Jun 02, 2007 6:48 pm
Ratio of areas of two similar triangles is the square of the ratio of the lengths of corresonding sides. This gives: sqrt(2) * s
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Triangle area twice another triangle area

by galinaphillips » Sun Jun 03, 2007 4:08 am
I didn't know this rule. Thanks for your help! :)
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