The 1st question of math comp in finland.

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The 1st question of math comp in finland.

Post by Hawki on Wed Nov 03, 2010 7:31 am

Basically it was about triangles. I tried to explain it to bobby but... it was hard... Very Happy So I also made a pic to make it easier to see what I meant...

U got a triangle with one ankle 90 degrees. U draw a circle inside it so that it touches the triangle on 3 different spots. On hypotenuse, the triangle splits it to parts a and b. Prove that a*b = area of the triangle.

the pic to make it easier to understand: (ofc a bit typing for bobby <3)

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Re: The 1st question of math comp in finland.

Post by SpiritClaw on Wed Nov 03, 2010 9:38 am

Shocked

i Prefer 1+2 maths
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Re: The 1st question of math comp in finland.

Post by Bobby on Wed Nov 03, 2010 9:08 pm

i understand the x/y equation but i don't see how the a*b is the same as to me it looks smaller :O

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Re: The 1st question of math comp in finland.

Post by Bobby on Wed Nov 03, 2010 9:09 pm

oh wait i figured it out by removing the circle i get it now Wink

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Re: The 1st question of math comp in finland.

Post by hinatamaryme on Tue Nov 09, 2010 2:56 am

lolled bob smart ass i don't get it at all and i don't need to
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Re: The 1st question of math comp in finland.

Post by Machoman on Thu Nov 11, 2010 5:09 am

Bob doesnt understand either, he just pretends <3
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Re: The 1st question of math comp in finland.

Post by Bobby on Thu Nov 11, 2010 9:22 am

Ssssh dammit xD

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Re: The 1st question of math comp in finland.

Post by MeowMaru on Sun Nov 14, 2010 5:22 pm


How I know it creates a perfect square? The circle has even diameters vertically as horizontally meaning it fits in a perfect square. o,ô
At least I tried, lol. xO
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Re: The 1st question of math comp in finland.

Post by Bobby on Sun Nov 14, 2010 9:13 pm

Not far off but just x*y/2 = the triangle the a*b thing was a pain to explain xD

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Re: The 1st question of math comp in finland.

Post by MeowMaru on Sun Nov 14, 2010 11:34 pm

Yeah I tried to fill in numbers for a and b, but the only way I could figure x an y was by multiplying and taking root o,ô
Example: if a and b were 4cm,
Triangle= 4*4=16cm²
Perfect square= 16*2=32cm²
x and y= root of 32=5,65cm
This means x and y are 5,65cm, which is plausible cause x and y are only about 1/3th longer than a and b. Perhaps that's what you are looking for?
Excuse me if I make no sense here, maths has been like what 7 years ago? If not longer.. xD All I do now is calculating financial stuff, economics and marketing F4
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Re: The 1st question of math comp in finland.

Post by Stian on Mon Nov 15, 2010 2:57 am

nexon cash and mesos marketing Sad

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Re: The 1st question of math comp in finland.

Post by hinatamaryme on Mon Nov 15, 2010 10:31 pm

xD i don't even like math
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