Matematika A - 2012. ljeto, 4.

A. \(\frac{9 \sqrt{3}}{2} \mathrm{~cm}^{2}\)

B. \(9 \sqrt{3} \mathrm{~cm}^{2}\)

C. \(\frac{27 \sqrt{3}}{4} \mathrm{~cm}^{2}\)

D. \(27 \sqrt{3} \mathrm{~cm}^{2}\)