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GMATPrep - twice the area of triangle

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by California4jx » Tue Aug 26, 2008 4:25 pm
couldnt nail it down .. any thoughts ?
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by nervesofsteel » Tue Aug 26, 2008 5:08 pm
By AAA these triangles are similar triangles

Now ratio of area of similar triangles is equal to ratio of squares of their corrosponding sides

A1/A2 = s^2/S^2

A1 is area of small triangle
A2 is of big triangle..

U can solve to get S=sqrt(2)*s
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by john555 » Tue Aug 26, 2008 7:40 pm
My answer is C
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by California4jx » Wed Aug 27, 2008 6:57 am
nervesofsteel wrote:By AAA these triangles are similar triangles

Now ratio of area of similar triangles is equal to ratio of squares of their corrosponding sides

A1/A2 = s^2/S^2

A1 is area of small triangle
A2 is of big triangle..

U can solve to get S=sqrt(2)*s
thanks.
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