[tex] {15}^{2} + {x}^{2} = {17}^{2} \\ 225 + {x}^{2} = 289 \\ {x}^{2} = 64 \\ x = 8[/tex]
obw=
[tex]15 + 17 + 8 = 40[/tex]
[tex]P = \frac{1}{2} \times 15 \times 8 = \frac{120}{2} = 60[/tex]
