Step-by-step explanation:
[tex] {x}^{2} = {30}^{2} - {18}^{2} \\ x = \sqrt{900 - 324} \\ x = \sqrt{576} \\ x = 24[/tex]
[tex] {y}^{2} = {24}^{2} + {10}^{2} \\ y = \sqrt{576 + 100} \\ y = \sqrt{676} \\ y = 26[/tex]
