35 degrees over 360 degrees x pi 46.15 squared
$${\frac{{\mathtt{35}}}{{\mathtt{360}}}}{\mathtt{\,\times\,}}{\mathtt{\pi}}{\mathtt{\,\times\,}}{{\mathtt{46.15}}}^{{\mathtt{2}}} = {\mathtt{650.517\: \!264\: \!390\: \!996\: \!275\: \!9}}$$