[tex]d = a\sqrt{2}\\\\\\a) \ d = 5\sqrt{2}\\\\b) \ d = 8\sqrt{2}\\\\c) \ d = 0,25\sqrt{2}\\\\d) \ d = \sqrt{2}\cdot\sqrt{2}=\sqrt{2}^{2} = 2\\\\e) \ d = \sqrt{3}\cdot\sqrt{2} = \sqrt{3\cdot2} = \sqrt{6}[/tex]
