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# Right Isosceles Triangle: Perimeter = 16 + 16(root2) What is

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Intern
Joined: 14 Sep 2007
Posts: 4
Right Isosceles Triangle: Perimeter = 16 + 16(root2) What is [#permalink]

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23 Oct 2007, 10:45
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

Right Isosceles Triangle: Perimeter = 16 + 16(root2) What is length of hypotenuse?
Intern
Joined: 14 Sep 2007
Posts: 4

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23 Oct 2007, 11:39
How did you come to that?
VP
Joined: 10 Jun 2007
Posts: 1439
Re: Right Isoscelese Triangle GMAT Prep 1 [#permalink]

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23 Oct 2007, 11:42
1
KUDOS
tlauber wrote:
Right Isosceles Triangle: Perimeter = 16 + 16(root2) What is length of hypotenuse?

x = hyp
Isso triangle is 45-45-90
The non-hyp side is x/sqrt(2)

Perimeter = x/sqrt(2) + x/sqrt(2) + x = 2x/sqrt(2) + x = xsqrt(2) + x
Re: Right Isoscelese Triangle GMAT Prep 1   [#permalink] 23 Oct 2007, 11:42
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