Obwód:
|CD| = |AD| = 5
|BC| = 10
|AB| = 10[tex]\sqrt{2}[/tex]
Obwód = 5[tex]\sqrt{2}[/tex] + 5[tex]\sqrt{2}[/tex] +10 + 10[tex]\sqrt{2}[/tex] = 20[tex]\sqrt{2}[/tex] + 10cm
Pole:
P = [tex]\frac{(a+b)h}{2}[/tex]
P = [tex]\frac{(5\sqrt{2}+10\sqrt{2})5\sqrt{2} }{2}[/tex] = [tex]75cm^{2}[/tex]
