by amu <amu786la@[EMAIL PROTECTED]
>
May 5, 2008 at 07:49 PM
In article
<32813303.1210013817912.JavaMail.jakarta@[EMAIL PROTECTED]
>,
amu <amu786la@[EMAIL PROTECTED]
> wrote:
> > Prove that there are at least one ways to cut the pizza and the
cheesecake
> > in
> > halves of equal areas by one straight cut. (By pizzas and cheesecakes,
we
> > mean compact connected subsets of R^2)
>
> Lemma: a compact connected subset of R^2 has a center of area.
> ---------------------------------------------------------
>
> how do i prove it
Try Calculus.
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but we have to prove it by using topology
