Respuesta :

Answer:

E.

Step-by-step explanation:

6^2=x^2+3^2

X^2=36-9

X=

[tex] \sqrt{27} [/tex]

The answer is E

To solve this you need to use the Pythagorean Theorem which is a^2+b^2=c^2. This formula can help you find the missing length of any side of a right triangle.

Hope this helped!