[tex]a^{2} +b^{2} =c^{2}[/tex] - z twierdzenia pitagorasa
1. 4 cm i 6 cm
[tex]4^{2} +6^{2} =c^{2} \\16+36=c^{2} \\\\c=\sqrt{50} \\c=5\sqrt{2}[/tex]
2. 1 cm i 8cm
[tex]1^{2} +8^{2} =x^{2} \\x^{2} =1+64\\X=\sqrt{65}[/tex]
3. 8cm i 10cm
[tex]8^{2} +10^{2} =z^{2} \\z^{2} =64+100\\z=\sqrt{164} \\z=2\sqrt{41}[/tex]