Respuesta :

Answer:

18

Step-by-step explanation:

If right triangle:

[tex]a^{2} +b^{2} = c^{2}[/tex]

[tex](9\sqrt{2}) ^{2}[/tex]+[tex](9\sqrt{2}) ^{2}[/tex]= [tex]c^{2}[/tex]

162 +162 = [tex]c^{2}[/tex]

324 = [tex]c^{2}[/tex]

c = 18