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# the perimeter of a certain isosceles triange is 16 + 16sqr.

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Joined: 05 Jul 2006
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the perimeter of a certain isosceles triange is 16 + 16sqr. [#permalink]  26 Aug 2006, 16:33
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the perimeter of a certain isosceles triange is 16 + 16sqr. root of 2. what is the length of the hypotensue of the triangle?
8
16
4sqr. root of 2
8 sqr. root of 2
16 sqr. root of 2
Senior Manager
Joined: 14 Aug 2006
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Ans: 16

Right angled Isoceles triangle has sides in the ratio : 1: 1: sqrt2

the perimeter = a + a + a sqrt2 = 16 + 16sqrt 2
the sides are 8 sqrt 2 so the hypotenuse is 16
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