Odpowiedź :
[tex]obw = \sqrt{5} + \sqrt{5} + \sqrt{10} = 2 \sqrt{5} + \sqrt{10} [/tex]
[tex]p = \frac{1}{2} \times \sqrt{5} \times \sqrt{5} = \frac{1}{2} \times 5 = 2.5[/tex]
[tex]obw = \sqrt{5} + \sqrt{5} + \sqrt{10} = 2 \sqrt{5} + \sqrt{10} [/tex]
[tex]p = \frac{1}{2} \times \sqrt{5} \times \sqrt{5} = \frac{1}{2} \times 5 = 2.5[/tex]