Question

Find the value of x. Express your answer in simplest radical form.​

Answer 1

Answer:

Step-by-step explanation:

you have a right triangle with 2 known values for legs

C^2=a^2+b^2

a=3, b=6

C^2=3^2+6^2=9+36=46

c=$\sqrt{45}$=3$\sqrt{5}$

first choice