Zad. 25
[tex]d = \sqrt{a^{2}+b^{2} }[/tex]
[tex]d = \sqrt{9+16} = \sqrt{25} = 5[/tex]
Zad. 26
[tex]d = a\sqrt{2}[/tex]
[tex]5 = a\sqrt{2}[/tex] [tex]| :\sqrt{2}[/tex]
[tex]\frac{5}{\sqrt{2}} = \frac{5\sqrt{2} }{2} = 2,5\sqrt{2}[/tex]
[tex]2,5\sqrt{2}[/tex] ≈ [tex]3,53553[/tex] cm
a - bok kwadratu