Provide an Appropriate Response $x = \frac { 5 \sqrt { 2 } } { 2 }$

Multiple Choice

Provide an appropriate response.
-Find x.

A) $x = \frac { 5 \sqrt { 2 } } { 2 }$ in.
B) $x = 5 \sqrt { 2 } \mathrm { in }$ .
C) $x = \frac { \sqrt { 10 } } { 2 }$ in.
D) $x = 5$ in.