Respuesta :

9^2 = 8^2 + x^2
81 = 64 + x^2
x^2= 17
D
KurdishPotato

Answer:

√17 = x

Step-by-step explanation:

The square value of hypotenus is equal to sum of other two side lenght's square value

9^ = x^+8^2

81 = x^2 + 64 subtract 64 from both sides

17 = x^2

√17 = x