Respuesta :

allisonmeredith9852

Answer:

[tex] \sqrt{18} [/tex]

this is the pythagorean theorem.

Step-by-step explanation:

a^2+b^2=c^2

a and b are 3. 3^2 is 9. 9+9=18. The square root of of 18 is a weird decimal which is annoying. so leave it as square root 18