Given data:
The given length of CW is CW=15 units.
The expression for the length of WX is,
[tex]WX=\frac{1}{3}(CW)[/tex]
Substitute 15 units for CW in the above expression.
[tex]\begin{gathered} WX=\frac{1}{3}(15\text{ units)} \\ =5\text{ units} \end{gathered}[/tex]
Thus, the WX length is 5 units.
