Question

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

Answer 1

wheres the rest of the question O.O

Answer 2

\[9\sqrt{2}\]

Answer 3

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