$${\mathtt{V}} = {{\mathtt{r}}}^{{\mathtt{2}}}{\mathtt{\,\times\,}}{\mathtt{\pi}}{\mathtt{\,\times\,}}{\mathtt{h}}$$ => $${\mathtt{h}} = {\frac{{\mathtt{V}}}{\left({{\mathtt{r}}}^{{\mathtt{2}}}{\mathtt{\,\times\,}}{\mathtt{\pi}}\right)}}$$
$${\mathtt{h}} = {\frac{{\mathtt{52}}}{\left({{\mathtt{6}}}^{{\mathtt{2}}}{\mathtt{\,\times\,}}{\mathtt{\pi}}\right)}} \Rightarrow {\mathtt{h}} = {\mathtt{0.459\: \!780\: \!946\: \!709\: \!919\: \!9}}$$
$${\mathtt{V}} = {{\mathtt{r}}}^{{\mathtt{2}}}{\mathtt{\,\times\,}}{\mathtt{\pi}}{\mathtt{\,\times\,}}{\mathtt{h}}$$ => $${\mathtt{h}} = {\frac{{\mathtt{V}}}{\left({{\mathtt{r}}}^{{\mathtt{2}}}{\mathtt{\,\times\,}}{\mathtt{\pi}}\right)}}$$
$${\mathtt{h}} = {\frac{{\mathtt{52}}}{\left({{\mathtt{6}}}^{{\mathtt{2}}}{\mathtt{\,\times\,}}{\mathtt{\pi}}\right)}} \Rightarrow {\mathtt{h}} = {\mathtt{0.459\: \!780\: \!946\: \!709\: \!919\: \!9}}$$
Radix has assumed that this is a cylinder......it could also be a cone.....if so....the height (in cm) is .....
$${\mathtt{52}} = \left({\frac{{\mathtt{1}}}{{\mathtt{3}}}}\right){\mathtt{\,\times\,}}{\mathtt{\pi}}{\mathtt{\,\times\,}}{\mathtt{36}}{\mathtt{\,\times\,}}{\mathtt{h}} \Rightarrow {\mathtt{h}} = {\frac{{\mathtt{13}}}{\left({\mathtt{3}}{\mathtt{\,\times\,}}{\mathtt{\pi}}\right)}} \Rightarrow {\mathtt{h}} = {\mathtt{1.379\: \!342\: \!840\: \!129\: \!759\: \!6}}$$