aroub
c=π^2 r
if c is directly proportional to r
what's the constant?
2r? or r? or both maybe?



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Mr.Math
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c is directly proportional to r means \(c=kr\), what do you think k is in this case?

aroub
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k?

Mr.Math
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Yeah, Just compare it to the formula you've written above! k=...?

aroub
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Yes I know! but you have 'π^2' I think it's different right?

Mr.Math
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Well, the constant in the formula you wrote is \(\pi^2\). I don't know what you mean by "it's different".

Mr.Math
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Nice picture by the way. :D

aroub
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Okay, just forget about "it's different" :) Thanks for the help!
lol! Thank you :D

Mr.Math
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haha you're welcome.

lalaly
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arouba fhemteh?

Mr.Math
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Am I supposed to understand this?

lalaly
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lol no :) ...

lalaly
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its in arabic

Mr.Math
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All right.

aroub
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2a 6ab3an fihmet lol :P bas kint 3am 2ool yimken 3ashan fee 'π^2' bitkoon geir... bas ma 2azun sa7? :) 2aw 3al 2aqal heik bi2ool...

lalaly
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la2 arouba btefre2esh ...bdalha el pi^2 constant

aroub
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okay! shokraan :D

Mr.Math
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Are you saying bad things about me? (someone is insecure :P)

lalaly
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lool she said that the pi^2 confused her

aroub
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Exactly! haha :) ( I'm still not sure of it I'm going to ask my teacher about it it's better :D )

lalaly
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arouba habebte, pi 3ebara 3an raqm fa pi^2 kman raqam ... wel constant howe bekoon raqm mo variable... y3ni nafs mabd2 law hakete 2^2 aw 3^2 ...

aroub
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Okay! pi^2 :D

lalaly
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lol