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[R] Math Problem - Page 3

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obesechicken13
Profile Blog Joined July 2008
United States10467 Posts
Last Edited: 2010-03-17 04:33:28
March 17 2010 04:26 GMT
#41
I'm finding the measure of the angle is equal to 0 degrees according to my angle chasing method. Bear with me, I'm a bit sleepy.

First I just split the triangle into 5 smaller triangles. It is not certain whether any of the triangles are similar. Then I start filling in angles and variables coming out to five variables and four equations.

I could use substitution and stuff but that stuff takes time, so I put my four equations into a 4*6 matrix and use elementary row operation calculators to get my answer in a final form.

A B C D E constant

1 0 0 -1 -1 0
0 1 0 1 0 0
0 0 1 -2 -1 0
0 0 0 0 0 1

Depending on how you assign your variables, your rref will look slightly different.

Which means that my fourth and fifth variables are parameters and could therefore be anything. The second row of the rref is that 1B + 1D = 0
=> B = 0 and D = 0 since there are no such things as negative angles. It just so happens that B for me is equal to the angle DEB.

Now A and C depend on the other parameter E and they are all the same. However when I plug in a random value (10degrees) for that parameter, I get a big scalene triangle. edit: nevermind that

I'm just gonna say this is unsolvable.ed
I think in our modern age technology has evolved to become more addictive. The things that don't give us pleasure aren't used as much. Work was never meant to be fun, but doing it makes us happier in the long run.
ShinyGerbil
Profile Blog Joined June 2008
Canada519 Posts
March 17 2010 04:29 GMT
#42
my friends wasted their time graphing this in various cases, and found that the angle is definitely *not* fixed.
[s]savior[/s] jaedong fighting! // member of LighT eSports
iloveHieu
Profile Joined November 2007
United States1919 Posts
March 17 2010 04:31 GMT
#43
Please post a legit problem jeez, wasting people's time..
Xellos <3
Caller
Profile Blog Joined September 2007
Poland8075 Posts
March 17 2010 04:32 GMT
#44
this is quite possibly one of the best trolls i have ever seen
Watch me fail at Paradox: http://www.teamliquid.net/forum/viewmessage.php?topic_id=397564
Nal_rAwr
Profile Blog Joined July 2009
United States2611 Posts
March 17 2010 04:33 GMT
#45
On March 17 2010 13:32 Caller wrote:
this is quite possibly one of the best trolls i have ever seen

this
Nony is Bonjwa
synapse
Profile Blog Joined January 2009
China13814 Posts
March 17 2010 04:33 GMT
#46
Yeah I think Caller is right... we just got owned.
:)
hacpee
Profile Joined November 2007
United States752 Posts
Last Edited: 2010-03-17 04:36:20
March 17 2010 04:33 GMT
#47
You're never going to solve it. There must be a missing part, like what is the angle of DEB when the area of the triangle is largest or some other addition to the problem. I actually tried to solve a similar problem way back when I took calculus involving circles(because two radius are equal in length). I spend 4 months trying to get an answer until I asked my professor and I was told it was not solvable -_-.
obesechicken13
Profile Blog Joined July 2008
United States10467 Posts
March 17 2010 04:34 GMT
#48
What grade level are you OP?
I think in our modern age technology has evolved to become more addictive. The things that don't give us pleasure aren't used as much. Work was never meant to be fun, but doing it makes us happier in the long run.
Chairman Ray
Profile Blog Joined December 2009
United States11903 Posts
March 17 2010 04:34 GMT
#49
It looks like we all got math trolled
Jyvblamo
Profile Blog Joined June 2006
Canada13788 Posts
March 17 2010 04:37 GMT
#50
Someone post this to /sci/ on 4chan...
Neighbor
Profile Joined May 2009
United States119 Posts
March 17 2010 04:38 GMT
#51
Damn. I went through all the trouble of graphing it only to find it out that the angle isn't the same various triangles. What a waste of time.
love1another
Profile Blog Joined December 2009
United States1844 Posts
Last Edited: 2010-03-17 04:54:57
March 17 2010 04:47 GMT
#52
On March 17 2010 13:26 Chairman Ray wrote:
It actually is unsolvable. Try plugging in any value in the range (0,110) and it will be correct.

Assuming A is a number, the lowest possible value is 35.00000000000000000000....01
So we have 35 < x <= 110.
In other words.... yeah it's obvious that there is no unique solution. But at least we can establish some reasonable bounds.

Check the boundary conditions:
A = .000000000000001 (or just 0 and make it a rectangle) Your answer is 35.
A = 60. Your answer is 110.

Any bigger than that and you don't have a triangle, any smaller, well, the initial conditions are not achievable.

Please... nobody else post responses and close this topic.
"I'm learning more and more that TL isn't the place to go for advice outside of anything you need in college. It's like you guys just make up your own fantasy world shit and post it as if you've done it." - Chill
zobz
Profile Joined November 2005
Canada2175 Posts
Last Edited: 2010-03-17 04:57:23
March 17 2010 04:54 GMT
#53
Edit: i'm making fun of people without reading their whole posts. I fail.
"That's not gonna be good for business." "That's not gonna be good for anybody."
love1another
Profile Blog Joined December 2009
United States1844 Posts
March 17 2010 04:55 GMT
#54
@ ^
God damn it.
35 < x <= 110
"I'm learning more and more that TL isn't the place to go for advice outside of anything you need in college. It's like you guys just make up your own fantasy world shit and post it as if you've done it." - Chill
Saturnize
Profile Blog Joined November 2009
United States2473 Posts
March 17 2010 05:04 GMT
#55
Angle DEB is 50
"Time to put the mustard on the hotdog. -_-"
love1another
Profile Blog Joined December 2009
United States1844 Posts
March 17 2010 05:05 GMT
#56
On March 17 2010 14:04 Saturnize wrote:
Angle DEB is 50

You're wrong. It's 51.
"I'm learning more and more that TL isn't the place to go for advice outside of anything you need in college. It's like you guys just make up your own fantasy world shit and post it as if you've done it." - Chill
synapse
Profile Blog Joined January 2009
China13814 Posts
March 17 2010 05:05 GMT
#57
On March 17 2010 14:05 love1another wrote:
Show nested quote +
On March 17 2010 14:04 Saturnize wrote:
Angle DEB is 50

You're wrong. It's 51.


Personally, I got 42.
:)
Saturnize
Profile Blog Joined November 2009
United States2473 Posts
March 17 2010 05:06 GMT
#58
Are you sure? :o
"Time to put the mustard on the hotdog. -_-"
love1another
Profile Blog Joined December 2009
United States1844 Posts
Last Edited: 2010-03-17 05:07:55
March 17 2010 05:06 GMT
#59
Naw. Sorry I just checked it's 38... Please read thread before posting.
Edit: Shit it IS 42. Douglas Adams is rolling over in his grave.
"I'm learning more and more that TL isn't the place to go for advice outside of anything you need in college. It's like you guys just make up your own fantasy world shit and post it as if you've done it." - Chill
Nemesis
Profile Blog Joined May 2009
Canada2568 Posts
March 17 2010 05:08 GMT
#60
I think you're math teacher after 6 months came to the conclusion that it is unsolvable.
Lee Young Ho fighting! KT P are just CHINTOSSTIC.
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