Question

I will mark the brainliestAnswer options are in the imageABCD

Answer 1

Answer:

$\frac{5 \sqrt{2} }{2}$

Step-by-step explanation:

$\sin \: 45 \degree = \frac{x}{5} \\ \\ \frac{1}{ \sqrt{2} } = \frac{x}{5} \\ \\ x = \frac{5}{ \sqrt{2} } \\ \\ \huge \red{ \boxed{x = \frac{5 \sqrt{2} }{2} }}$