Szczegółowe wyjaśnienie:
[tex](8\sqrt{3} )^{2} +h^{2} =(10\sqrt{3})^{2} \\\\64*3+h^{2} =100*3\\\\h^{2} =300-192\\\\h=\sqrt{108} =6\sqrt{3}[/tex]
[tex]P = \frac{a*h}{2} =\frac{8\sqrt{3}*6\sqrt{3} }{2} =72[/tex]
