Respuesta :

Serenity900

Answer:

Step-by-step explanation:

Use the Pythagorean Theorem to solve for z. a^2 + b^2 = c^2, which a and b being the side lengths

9^2 + 12^2 = 81+ 144

81+144= [tex]225^{2}[/tex]

[tex]\sqrt{225}[/tex] = 15

z= 15

thebecks

Answer:

C) x=15

Step-by-step explanation:

9^2+12^2=225

x=sq rt 225=15

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