Matematika B - 2015. jesen, 8.

A. $4\pi {\mathrm{c}\mathrm{m}}^{2}4\; \backslash pi\; \backslash mathrm\{~cm\}^\{2\}$

B. $8\pi {\mathrm{c}\mathrm{m}}^{2}8\; \backslash pi\; \backslash mathrm\{~cm\}^\{2\}$

C. $16\pi {\mathrm{c}\mathrm{m}}^{2}16\; \backslash pi\; \backslash mathrm\{~cm\}^\{2\}$

D. $32\pi {\mathrm{c}\mathrm{m}}^{2}32\; \backslash pi\; \backslash mathrm\{~cm\}^\{2\}$