Odpowiedź:
[tex] {7}^{2} + {5}^{2} = {x}^{2} \\ 49 + 25 = {x}^{2} \\ 74 = {x}^{2} \\ x = \sqrt{74} [/tex]
[tex] {3}^{2} + {y}^{2} = {8}^{2} \\ 9 + {y}^{2} = 64 \\ {y}^{2} = 64 - 9 \\ {y}^{2} = 55 \\ y = \sqrt{55} [/tex]
