tolong dijawab ya kak untuk besok

[tex] {x}^{2} = {15}^{2} - {9}^{2} =(15 + 9) \times (15 - 9) = 24 \times 6 = 4 \times 36 \\ x = 12 \\ {y}^{2} = {15}^{2} + {8}^{2} = 225 + 64 = 289 \\ y = 17 \\ x + y = 12 + 17 = 29[/tex]