



Junior Member


Apr 11, 2007, 11:00 AM


Perimeter of an Isosceles Triangle
What is the hypotenuse of an isosceles triangle if the perimeter is 16 + 16 radical 2?



Ultra Member


Apr 11, 2007, 11:15 AM


The perimeter is
The hypoteneuse is
Solve for a.



Junior Member


Apr 11, 2007, 11:28 AM


Is that the final answer or does it have to be simplified?



Ultra Member


Apr 11, 2007, 11:30 AM


I said "solve for a".



Junior Member


Apr 11, 2007, 11:40 AM


Oh ok, sorry I didn't see that sentence. Thank you for your help.



Ultra Member


Apr 11, 2007, 11:52 AM


You're so welcome. Few that post on this site bother to even drop a line and say thanks.



Ultra Member


Apr 11, 2007, 12:08 PM


Originally Posted by galactus
The perimeter is
The hypoteneuse is
Solve for a.
Factor out 'a' and divide through.
Now, it's easy. Ain't it? Just be sure to simplify it down.



Junior Member


Apr 11, 2007, 12:40 PM


Got it. Thank you very much.



Junior Member


Apr 11, 2007, 04:31 PM


May I ask you if the answer to this is 16(1radical2)?



Ultra Member


Apr 11, 2007, 04:51 PM


Poor kid, you're sure having a time with basic algebra.
Practice simplfying this. Rationalize the denominator.
It reduces to
That's a side. Now, use that to find the length of the hypoteneuse. Should be easy.
There ya' go. ;)



New Member


Jun 15, 2010, 04:19 PM


Dude, relax  these people in the post are trying to get some help  no need to show off or have this rude attitude...



Uber Member


Jun 16, 2010, 08:59 AM


Originally Posted by ironsferri
Dude, relax  these people in the post are trying to get some help  no need to show off or have this rude attitude...
And this thread is 3 years old :rolleyes:
Just try to have a look at the post date before posting next time. Apparently, 'reviving' threads can slow the site down.



New Member


Jun 16, 2010, 10:12 AM


Sorry man, just couldn't stand to write it... will look at the date first next time...
Thanks
Originally Posted by Unknown008
And this thread is 3 years old :rolleyes:
Just try to have a look at the post date before posting next time. Apparently, 'reviving' threads can slow the site down.



Uber Member


Jun 16, 2010, 10:13 AM


It's all right, I didn't know either of that when I joined, and it's through mistakes that we learn, right? :D
I just wanted to point that fact out. Thank you! :)



New Member


Jun 16, 2010, 10:19 AM


You're truly right, learning by mistake :)
Thanks bud  glad to see there are still nice people around in this blog...
C
Originally Posted by Unknown008
It's all right, I didn't know either of that when I joined, and it's through mistakes that we learn, right? :D
I just wanted to point that fact out. Thank you! :)



New Member


Jan 7, 2011, 04:00 PM


Comment on galactus's post
How do you go from the square root of a squared plus a squared to the square root of two times a. Please respond asap if at all possible.



Uber Member


Jan 8, 2011, 11:48 PM


how do you go from the square root of a squared plus a squared to the square root of two times a. Please respond asap if at all possible.
This:
becomes this:
Which then is the same thing as:
and
Therefore:


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