The problem asks for the measure of segment $WY$ given the total length $WX = 8.8$ mm. In the diagram, segment $WX$ consists of two parts: $WY$ and $YX$. However, since the length of $YX$ is not provided, it is assumed that $WY = WX$.

Thus,

$WY = 8.8 \, \text{mm}.$

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Related Questions:

1. What would be $YX$ if $WY$ were a known value?
2. How can you find the length of a line segment if it is divided into multiple parts?
3. What are the rules for adding or subtracting line segments?
4. How do you verify if a figure is drawn to scale?
5. How do you calculate the midpoint of a line segment?

Tip: Always double-check given measurements and ensure all required segment lengths are considered before calculating.