## anonymous 4 years ago Find x. A. 9 B. 9 times the square root of 2 C. 4 point 5 times the square root of 2 D. 18 times the square root of 2

1. anonymous

2. anonymous

3. anonymous

wheres the rest of the question O.O

4. anonymous

$9\sqrt{2}$

5. anonymous

$\cos(45)=\frac{\sqrt{2}}{2}=\frac{x}{18}$ $x=9\sqrt{2}$