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tellerofpointedstones
 Post subject: Math help?
PostPosted: Thu Jul 21, 2011 5:26 am 
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Dont make this into a habit guys. Im only doing it once. Please help immediately. Need it to do my assignment to hand up tomorrow

Assuming there is a right angled triangle. Lets say the right angle is at the bottom left hand corner and that I know no other angle. The line below my right angle is 6 cm. I need to find the hypothenuse as well as the length of the line on the left of my triangle. And also, which line is considered opposite of the right angle? The one below or next to it? Or the hypothenuse?

Thanks

The triangle

A



B(90deg) C

BC=6

Need to find AC and AB. Angle B is 90 deg

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daerduo
 Post subject: Re: Math help?
PostPosted: Thu Jul 21, 2011 6:53 am 
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definitely not enough information given. A can be moved down along AB, thus changing length of AB without contradicting givens.
EDIT: Oh and I'm posting this bc i can't resist a math q. :)
EDIT2: Even if it's as stupid as this one. XD And...opposite right angle is hypotenuse.

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simmen
 Post subject: Re: Math help?
PostPosted: Thu Jul 21, 2011 10:35 am 
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I have reached the same conclusion, there are to few facts, arey ou sure that all you know is that

CB = 6
and B=90 degrees?

I love using Geogebra (great math program), I got this

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But I'm basically just guessing how far up A is supposed to be.

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tellerofpointedstones
 Post subject: Re: Math help?
PostPosted: Thu Jul 21, 2011 6:00 pm 
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Eh...Ok...I MIGHT have solved it...I'll give the solution later.

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OmegaXII
 Post subject: Re: Math help?
PostPosted: Thu Jul 21, 2011 6:10 pm 
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it was kinda basic to know the other 2 angles were 45 since all 3 angles of a triangle must add up to 180 degrees

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daerduo
 Post subject: Re: Math help?
PostPosted: Thu Jul 21, 2011 6:44 pm 
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Incorrect, omega. It's kinda basic to get other two angles add up to ninety, but absolutely no evidence leads us to a 45/45 split.
Lol I can gaurantee you either didn't tell us entire problem or you can't solve it.it's an undefined triangle.

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bork9128
 Post subject: Re: Math help?
PostPosted: Fri Jul 22, 2011 10:03 pm 
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in order to determine a single answer we need either another side length or angle

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