Respuesta :

triparnadewanjee07

Answer: 3√13

Step-by-step explanation:

To find the length of AC we need to use the Pythagorean theorem.

Which is AC^2 = BC^2 + AB^2

AC^2 = 6^2 + 9^2

AC^2 = 36 + 81

AC^2 = 117

AC = √117