math help - Printable Version
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+--- Thread: math help (/showthread.php?tid=567782)
- CodeStyle175 - 16.03.2015
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Re: math help - Khanz - 16.03.2015
Area permiter and root Pi is 21
seriously man ask your maths teacher
Re: math help - Kapersky™ - 16.03.2015
Do it yourself, lol. The more you stress your brain, the more it will perform.
Re: math help - vermaritt - 16.03.2015
What are the given data ? Explain the question.
Re: math help - Excel™ - 16.03.2015
Its fucking my brain. I can't do it!
Re: math help - Sellize - 16.03.2015
I think you can't solve this one without more data
Re: math help - Dodo9655 - 16.03.2015
System of 3 equations with 3 variables
Re: math help - vermaritt - 16.03.2015
a = not possible, as if equate the upper triangle the equation will be "H^2 = 2a^2+144-24a" , with this data if we try to equate the triangle at the side of that square, then total the equation will be "324-2a^2+24a = 324a^2+a^4-36a^3" which not form a quadratic equation to find the value of 'a'. Hence, the sum is not proper or there is lack of given data.
Re: math help - CodeStyle175 - 16.03.2015
(12-a)*(18-a)=a2
216-12a-18a+a2=a2
-30a=-216|: (-30)
a=7,2
finally
it's simple.
Re: math help - Kapersky™ - 16.03.2015
Quote:
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Originally Posted by vermaritt
 a = not possible, as if equate the upper triangle the equation will be "H^2 = 2a^2+144-24a" , with this data if we try to equate the triangle at the side of that square, then total the equation will be "324-2a^2+24a = 324a^2+a^4-36a^3" which not form a quadratic equation to find the value of 'a'. Hence, the sum is not proper or there is lack of given data.
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Re: math help - vermaritt - 16.03.2015
To CodeStyle175, it is wrong in my opinion, as (12-a) is the perpendicular of the upper triangle.
To Kaspersky, No I am not, just go to school on important days.
Re: math help - Luis- - 16.03.2015
Wow, all these smart people. Makes me wish I listened in school now.
Re: math help - [CG]Milito - 17.03.2015
Lack of data? Come on people!!
Here, I hope it helps
Similarity of triangles
Re: math help - vermaritt - 17.03.2015
I am not sure about your method Milito. Accoreing to me we can try two methods one is pythagoras and the other is the area method unless he specifies what chapter's sum it is we cannot post his required solution this means lack of data.
Respuesta: Re: math help - [CG]Milito - 18.03.2015
Quote:
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Originally Posted by vermaritt
I am not sure about your method Milito. Accoreing to me we can try two methods one is pythagoras and the other is the area method unless he specifies what chapter's sum it is we cannot post his required solution this means lack of data.
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Anyways, he figured out another ecuation (Area of a square)
(18-a)(12-a)=a^2
That leads usto the same result I gave using similarity of triangles.
Re: math help - vermaritt - 18.03.2015
To Milito, (12-a) and (18-a) are not the sides of the square. So, the equations stands wrong.
Re: math help - Glossy42O - 18.03.2015
lol, last edited by dugi
Re: math help - Support - 18.03.2015
Ah im bad at maths can't say anything else.