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isosceles triangle

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by blitz28 » Thu Feb 05, 2009 9:36 pm
The hypotenuse length will be 16

The isoceles triangle will ahve two sides equal. and the thirs hyp .

whats the OA??
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by gaggleofgirls » Thu Feb 05, 2009 9:50 pm
See attached as this is easier to show both with a diagram and with correct mathematical notation.

Answer = 16.

-Carrie
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A isosceles right triangle is a triangle with one 90.doc
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Last edited by gaggleofgirls on Fri Feb 06, 2009 2:31 pm, edited 1 time in total.
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by penumbra547 » Fri Feb 06, 2009 9:58 am
gaggleofgirls,

thanks for the solution attachment. However, you lost me when you factored out 16 from the numerator. when you factor out 16 from "16 square root 2," only "square root 2" should remain, but you have a "2 sqare root 2" still.

typo? or am i not getting something. :) <== which happens all the time!

thanks,
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by blitz28 » Fri Feb 06, 2009 12:35 pm
Hi penumbra547,

There is a typo in the above doc... i also figured it out yesterday.

You aren't missing anything!!

:-)
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by gaggleofgirls » Fri Feb 06, 2009 2:31 pm
Just a typo. I have replaced the file with an updated one. Yes, when you factor 16 out of (16*sqrt2 + 32) you get 16(sqrt2 + 2) which is what you need to cancel out the denominator.

-Carrie
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