Odpowiedź :
Pp = 14 * 14 = 196
[tex]5^{2} + h^{2} = 10^{2} \\h^{2} = 100 - 25\\h^{2} = 75\\h = 3\sqrt{5}[/tex]
Pb = 14 * 3[tex]\sqrt{5}[/tex] / 2 = 42[tex]\sqrt{5}[/tex] /2 = 21[tex]\sqrt{5}[/tex]
Pc = 196 + 21[tex]\sqrt{5}[/tex] * 4 = 196 + 44[tex]\sqrt{5}[/tex]