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

Mathematics
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c is directly proportional to r means \(c=kr\), what do you think k is in this case?
k?
Yeah, Just compare it to the formula you've written above! k=...?

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Other answers:

Yes I know! but you have 'π^2' I think it's different right?
Well, the constant in the formula you wrote is \(\pi^2\). I don't know what you mean by "it's different".
Nice picture by the way. :D
Okay, just forget about "it's different" :) Thanks for the help! lol! Thank you :D
haha you're welcome.
arouba fhemteh?
Am I supposed to understand this?
lol no :) ...
its in arabic
All right.
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...
la2 arouba btefre2esh ...bdalha el pi^2 constant
okay! shokraan :D
Are you saying bad things about me? (someone is insecure :P)
lool she said that the pi^2 confused her
Exactly! haha :) ( I'm still not sure of it I'm going to ask my teacher about it it's better :D )
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 ...
Okay! pi^2 :D
lol

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